Dilraj Singh Grewal | Scholars@Duke

Dilraj Singh Grewal
Associate Professor of Ophthalmology

Vitreoretinal and Uveitis Specialist

Dilraj Grewal, MD specializes in the medical and surgical management of patients with complex Vitreoretinal pathology and Uveitis. He joined the Duke Eye Center in December 2016 following completion of his Vitreoretinal Surgery fellowship at Duke and Uveitis fellowship training at Moorfields Eye Hospital in London. Dr. Grewal is excited about treating patients with several of the new diagnostic and therapeutic modalities available as well as several others in the pipeline to better help patients with these potentially blinding diseases.

He has been the recipient of numerous prestigious awards including the Ronald G. Michels Foundation Fellowship Award, the Heed Ophthalmic Foundation Fellowship Award, Senior Achievement Award from the American Academy of Ophthalmology and Rhett Buckler and Senior Honor Awards from American Society of Retina Specialists.

Dr. Grewal has authored over 100 publications in peer-reviewed medical journals and over 150 presentations at national and international meetings. His research interests span clinical research activities in advanced ocular imaging and clinical trials for both Retina and Uveitis. He also serves as Director of Grading at the Duke Reading Center, a comprehensive image reading center that specializes in systematic analysis of ophthalmic images captured by many different modalities in multicenter clinical trials. In addition, he participates in national and international clinical trials in retina and uveitis.

Current Appointments & Affiliations

Associate Professor of Ophthalmology, Ophthalmology, Vitreoretinal Diseases & Surgery, Ophthalmology 2017

Contact Information

dilraj.grewal@duke.edu

Background
Education, Training, & Certifications
- Ophthalmology, Moorfields Eye Hospital Nhs Foundation Trust (Uk) 2016
- Duke Eye Center, Duke University School of Medicine 2014 - 2016
- Ophthalmology, Northwestern University Feinberg School of Medicine 2011 - 2014
- General Surgery, Northwestern University Feinberg School of Medicine 2010 - 2011
- Ophthalmology Bascom Palmer Eye Institute, University of Miami Leonard M. Miller School of Medicine 2007 - 2010
- M.B.B.S., Armed Forces Medical College (India) 2004
Duke Appointment History
- Instructor Temporary in the Department of Ophthalmology, Ophthalmology, Vitreoretinal Diseases & Surgery, Ophthalmology 2016 - 2017
- Clinical Associate in the Department of Ophthalmology, Ophthalmology, Vitreoretinal Diseases & Surgery, Ophthalmology 2014 - 2016
Recognition
In the News
- MAR 11, 2019 Duke Health News
  
  Could an Eye Exam Reveal Alzheimer's Disease?
Awards & Honors
- Senior Achievement Award. American Academy of Ophthalmology. September 28, 2019
- Senior Honor Award. American Society of Retina Specialists. 2018
Research
Selected Grants
- DE-109 LUMINA 2019 - 2022
Industry Relationships
- Alimera Sciences
- Allergan, Inc.
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Grewal, Dilraj S., Steve Charles, Barbara Parolini, Kazuaki Kadonosono, and Tamer H. Mahmoud. “Autologous Retinal Transplant for Refractory Macular Holes: Multicenter International Collaborative Study Group..” Ophthalmology 126, no. 10 (October 2019): 1399–1408. https://doi.org/10.1016/j.ophtha.2019.01.027.
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  - Umunakwe, Obi C., Wenlan Zhang, Xi Chen, Dilraj S. Grewal, and Sidney M. Gospe. “Neurofibromatosis Type 1 Vasculopathy Presenting as Impending Central Retinal Artery Occlusion..” J Neuroophthalmol 39, no. 2 (June 2019): 234–36. https://doi.org/10.1097/WNO.0000000000000739.
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  - Grewal, Dilraj S. “Is Facedown Positioning Necessary after Routine Macular Hole Surgery?.” Ophthalmol Retina 3, no. 5 (May 2019): 385–87. https://doi.org/10.1016/j.oret.2019.02.003.
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  - Grewal, Dilraj S., Howard F. Fine, and Sharon Fekrat. “Is OCT Angiography Useful in Neurodegenerative Diseases?.” Ophthalmic Surg Lasers Imaging Retina 50, no. 5 (May 1, 2019): 269–73. https://doi.org/10.3928/23258160-20190503-02.
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  - Ruland, Kelly, Jessica Olayanju, Terete Borras, Dilraj S. Grewal, and David Fleischman. “Accuracy of Tonopen Versus iCare in Human Cadaveric Eyes With Edematous Corneas Over a Wide Range of Intraocular Pressures..” J Glaucoma 28, no. 5 (May 2019): e82–85. https://doi.org/10.1097/IJG.0000000000001162.
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  - Grewal, Dilraj S., Glenn J. Jaffe, and Robert T. Keenan. “SARILUMAB FOR RECALCITRANT CYSTOID MACULAR EDEMA IN NON-PARANEOPLASTIC AUTOIMMUNE RETINOPATHY..” Retin Cases Brief Rep, April 8, 2019. https://doi.org/10.1097/ICB.0000000000000872.
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  - Goerlitz-Jessen, Mark, Mohsin H. Ali, and Dilraj S. Grewal. “Sclopetaria and Spontaneous Resolution of Subretinal Fluid..” Ophthalmol Retina 3, no. 4 (April 2019). https://doi.org/10.1016/j.oret.2019.01.003.
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  - Turner, Nicholas, Andrew Strand, Dilraj S. Grewal, Gary Cox, Sana Arif, Arthur W. Baker, Eileen K. Maziarz, Jennifer H. Saullo, and Cameron R. Wolfe. “Use of Letermovir as Salvage Therapy for Drug-Resistant Cytomegalovirus Retinitis..” Antimicrob Agents Chemother 63, no. 3 (March 2019). https://doi.org/10.1128/AAC.02337-18.
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  - Emami-Naeini, Parisa, Jordan Deaner, Ferhina Ali, Priyanka Gogte, Richard Kaplan, Kevin C. Chen, Eric Nudleman, et al. “Pneumatic Retinopexy Experience and Outcomes of Vitreoretinal Fellows in the United States: A Multicenter Study..” Ophthalmol Retina 3, no. 2 (February 2019): 140–45. https://doi.org/10.1016/j.oret.2018.09.010.
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  - Berry, Duncan, Akshay S. Thomas, Sharon Fekrat, and Dilraj S. Grewal. “Reply..” Ophthalmol Retina 3, no. 1 (January 2019). https://doi.org/10.1016/j.oret.2018.09.015.
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  - Goerlitz-Jessen, Mark, Mohsin H. Ali, and Dilraj S. Grewal. “Rare Complication of Sclerochoroidal Calcifications..” Jama Ophthalmol 137, no. 1 (January 1, 2019): 111–12. https://doi.org/10.1001/jamaophthalmol.2018.2457.
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  - Agarwal, Aniruddha, Dilraj S. Grewal, Glenn J. Jaffe, Michael W. Stewart, Sunil Srivastava, and Vishali Gupta. “Current role of optical coherence tomography angiography: Expert panel discussion..” Indian J Ophthalmol 66, no. 12 (December 2018): 1696–99. https://doi.org/10.4103/ijo.IJO_1048_18.
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  - Berry, Duncan, Akshay S. Thomas, Sharon Fekrat, and Dilraj S. Grewal. “Association of Disorganization of Retinal Inner Layers with Ischemic Index and Visual Acuity in Central Retinal Vein Occlusion..” Ophthalmol Retina 2, no. 11 (November 2018): 1125–32. https://doi.org/10.1016/j.oret.2018.04.019.
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  - Finn, Avni P., Akshay S. Thomas, Sandra S. Stinnett, Robert T. Keenan, Dilraj S. Grewal, and Glenn J. Jaffe. “The role of cystoid macular edema as a marker in the progression of non-paraneoplastic autoimmune retinopathy..” Graefes Arch Clin Exp Ophthalmol 256, no. 10 (October 2018): 1867–73. https://doi.org/10.1007/s00417-018-4084-8.
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  - Berry, Duncan E., Dilraj S. Grewal, and Prithvi Mruthyunjaya. “Conjunctival Dehiscence and Scleral Necrosis following Iodine-125 Plaque Brachytherapy for Uveal Melanoma: A Report of 3 Cases..” Ocul Oncol Pathol 4, no. 5 (September 2018): 291–96. https://doi.org/10.1159/000481858.
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  - Brar, Manpreet, Mansi Sharma, S. P. S. Grewal, and Dilraj S. Grewal. “Treatment Response in Sympathetic Ophthalmia as Assessed by Widefield OCT Angiography..” Ophthalmic Surg Lasers Imaging Retina 49, no. 9 (September 1, 2018): 726–30. https://doi.org/10.3928/23258160-20180831-13.
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  - Parolini, Barbara, Dilraj S. Grewal, Sajish J. Pinackatt, Andrea Baldi, Attilio Di Salvatore, Gianluca Besozzi, Alessandro Finzi, Daniele Cardillo, and Tamer H. Mahmoud. “COMBINED AUTOLOGOUS TRANSPLANTATION OF NEUROSENSORY RETINA, RETINAL PIGMENT EPITHELIUM, AND CHOROID FREE GRAFTS..” Retina 38 Suppl 1 (September 2018): S12–22. https://doi.org/10.1097/IAE.0000000000001914.
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  - Shoeibi, Nasser, Mandi Ghasemi, Dilraj S. Grewal, and Sharon Fekrat. “Diagnostic and Therapeutic Challenges..” Retina 38, no. 9 (September 2018): 1873–75. https://doi.org/10.1097/IAE.0000000000001851.
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  - Yoon, Stephen P., Breanna A. Polascik, Dilraj S. Grewal, and Sharon Fekrat. “Bilateral recurrent macular holes..” Am J Ophthalmol Case Rep 11 (September 2018): 52–55. https://doi.org/10.1016/j.ajoc.2018.05.008.
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  - Grewal, Dilraj S., Bryce W. Polascik, Gregory C. Hoffmeyer, and Sharon Fekrat. “Assessment of Differences in Retinal Microvasculature Using OCT Angiography in Alzheimer's Disease: A Twin Discordance Report..” Ophthalmic Surg Lasers Imaging Retina 49, no. 6 (June 1, 2018): 440–44. https://doi.org/10.3928/23258160-20180601-09.
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  - Brar, Manpreet, Dilraj S. Grewal, Mansi Sharma, and S. P. S. Grewal. “Rapid regression of retinal neovascularization following intravitreal bevacizumab in branch retinal vein occlusion imaged by optical coherence tomography angiography..” Indian J Ophthalmol 66, no. 4 (April 2018). https://doi.org/10.4103/ijo.IJO_868_17.
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  - Vu, Daniel M., Akshay S. Thomas, Avni P. Finn, and Dilraj S. Grewal. “CHORIOCAPILLARIS FLOW VOIDS IN CRYPTOCOCCAL CHOROIDITIS USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY..” Retin Cases Brief Rep, January 25, 2018. https://doi.org/10.1097/ICB.0000000000000703.
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  - Finn, Avni P., Dilraj S. Grewal, and Lejla Vajzovic. “Argus II retinal prosthesis system: a review of patient selection criteria, surgical considerations, and post-operative outcomes..” Clin Ophthalmol 12 (2018): 1089–97. https://doi.org/10.2147/OPTH.S137525.
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  - Lee, Andrew R., Dilraj S. Grewal, Thomas J. Cummings, Laura B. Enyedi, Nicole A. Larrier, and Prithvi Mruthyunjaya. “Multifocal iris melanoma in a 2-year-old managed with I-125 plaque brachytherapy..” J Aapos 21, no. 5 (October 2017): 410–12. https://doi.org/10.1016/j.jaapos.2017.03.014.
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  - Grewal, Dilraj S., Oscar M. Carrasco-Zevallos, Randall Gunther, Joseph A. Izatt, Cynthia A. Toth, and Paul Hahn. “Intra-operative microscope-integrated swept-source optical coherence tomography guided placement of Argus II retinal prosthesis..” Acta Ophthalmol 95, no. 5 (August 2017): e431–32. https://doi.org/10.1111/aos.13123.
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  - Grewal, Dilraj S., Breanna A. Polascik, Michael P. Kelly, and Sharon Fekrat. “Widefield en face optical coherence tomography to quantify the extent of paracentral acute middle maculopathy..” Can J Ophthalmol 52, no. 3 (June 2017): e85–88. https://doi.org/10.1016/j.jcjo.2016.11.028.
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  - Grewal, Dilraj S., Matthew L. O’Sullivan, Martina Kron, and Glenn J. Jaffe. “Association of Disorganization of Retinal Inner Layers With Visual Acuity In Eyes With Uveitic Cystoid Macular Edema..” Am J Ophthalmol 177 (May 2017): 116–25. https://doi.org/10.1016/j.ajo.2017.02.017.
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  - Grewal, Dilraj S., Tayler Schwartz, and Sharon Fekrat. “Sequential Sterile Intraocular Inflammation Associated With Consecutive Intravitreal Injections of Aflibercept and Ranibizumab..” Ophthalmic Surg Lasers Imaging Retina 48, no. 5 (May 1, 2017): 428–31. https://doi.org/10.3928/23258160-20170428-10.
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  - Grewal, Dilraj S., Thomas J. Cummings, and Prithvi Mruthyunjaya. “Outcomes of 27-Gauge Vitrectomy-Assisted Choroidal and Subretinal Biopsy..” Ophthalmic Surg Lasers Imaging Retina 48, no. 5 (May 1, 2017): 406–15. https://doi.org/10.3928/23258160-20170428-07.
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  - Grewal, Dilraj S., Paramjit K. Bhullar, Neel D. Pasricha, Oscar M. Carrasco-Zevallos, Christian Viehland, Brenton Keller, Liango Shen, et al. “Intraoperative 4-Dimensional Microscope-Integrated Optical Coherence Tomography-Guided 27-Gauge Transvitreal Choroidal Biopsy for Choroidal Melanoma..” Retina 37, no. 4 (April 2017): 796–99. https://doi.org/10.1097/IAE.0000000000001326.
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  - Grewal, Dilraj S., Seenu M. Hariprasad, and Glenn J. Jaffe. “Role of Disorganization of Retinal Inner Layers as an Optical Coherence Tomography Biomarker in Diabetic and Uveitic Macular Edema..” Ophthalmic Surg Lasers Imaging Retina 48, no. 4 (April 1, 2017): 282–88. https://doi.org/10.3928/23258160-20170329-02.
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  - Grewal, Dilraj Singh, Du Tran-Viet, Lejla Vajzovic, Prithvi Mruthyunjaya, and Cynthia A. Toth. “Association of Pediatric Choroidal Neovascular Membranes at the Temporal Edge of Optic Nerve and Retinochoroidal Coloboma..” Am J Ophthalmol 174 (February 2017): 104–12. https://doi.org/10.1016/j.ajo.2016.10.010.
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  - Polascik, Bryce W., Wenlan Zhang, Dilraj S. Grewal, and Sharon Fekrat. “Spontaneous improvement of myopic macular retinoschisis: case report and review of literature..” Can J Ophthalmol 52, no. 1 (February 2017): e11–13. https://doi.org/10.1016/j.jcjo.2016.06.008.
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  - Zhang, Wenlan, Dilraj S. Grewal, Glenn J. Jaffe, Tamer H. Mahmoud, and Sharon Fekrat. “Spontaneous Closure of Full-Thickness Macular Hole With Epiretinal Membrane in Vitrectomized Eyes: Case Series and Review of Literature..” Ophthalmic Surg Lasers Imaging Retina 48, no. 2 (February 1, 2017): 183–90. https://doi.org/10.3928/23258160-20170130-15.
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  - Grewal, Dilraj S., Daniel J. Merlau, Pushpanjali Giri, Marion R. Munk, Amani A. Fawzi, Lee M. Jampol, and Angelo P. Tanna. “Peripapillary retinal splitting visualized on OCT in glaucoma and glaucoma suspect patients..” Plos One 12, no. 8 (2017). https://doi.org/10.1371/journal.pone.0182816.
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  - Purdy, J., and D. Grewal. “The Original Theory of Constitutionalism.” Yale Law Journal 127, no. 3 (2017): 664–705.
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  - Grewal, Dilraj S., and Sharon Fekrat. “Dynamic Imaging of a Pigmented Free-Floating Vitreous Cyst..” Ophthalmic Surg Lasers Imaging Retina 47, no. 10 (October 1, 2016): 975–77. https://doi.org/10.3928/23258160-20161004-15.
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  - Grewal, Dilraj S., and Tamer H. Mahmoud. “Dehydrated Allogenic Human Amniotic Membrane Graft for Conjunctival Surface Reconstruction Following Removal of Exposed Scleral Buckle..” Ophthalmic Surg Lasers Imaging Retina 47, no. 10 (October 1, 2016): 948–51. https://doi.org/10.3928/23258160-20161004-08.
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  - McNabb, Ryan P., Dilraj S. Grewal, Rajvi Mehta, Stefanie G. Schuman, Joseph A. Izatt, Tamer H. Mahmoud, Glenn J. Jaffe, Prithvi Mruthyunjaya, and Anthony N. Kuo. “Wide field of view swept-source optical coherence tomography for peripheral retinal disease..” Br J Ophthalmol 100, no. 10 (October 2016): 1377–82. https://doi.org/10.1136/bjophthalmol-2015-307480.
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  - Seider, Michael I., Dilraj S. Grewal, and Prithvi Mruthyunjaya. “Portable Optical Coherence Tomography Detection or Confirmation of Ophthalmoscopically Invisible or Indeterminate Active Retinoblastoma..” Ophthalmic Surg Lasers Imaging Retina 47, no. 10 (October 1, 2016): 965–68. https://doi.org/10.3928/23258160-20161004-12.
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  - Bhullar, Paramjit K., Dilraj S. Grewal, and Sharon Fekrat. “Regional Changes in Choroidal Thickness in Branch Retinal Artery Occlusion..” Ophthalmic Surg Lasers Imaging Retina 47, no. 9 (September 1, 2016): 811–18. https://doi.org/10.3928/23258160-20160901-03.
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  - Keller, Brenton, David Cunefare, Dilraj S. Grewal, Tamer H. Mahmoud, Joseph A. Izatt, and Sina Farsiu. “Length-adaptive graph search for automatic segmentation of pathological features in optical coherence tomography images..” J Biomed Opt 21, no. 7 (July 1, 2016). https://doi.org/10.1117/1.JBO.21.7.076015.
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  - Grewal, Dilraj S., Howard F. Fine, and Tamer H. Mahmoud. “Management of Challenging Macular Holes: Current Concepts and New Surgical Techniques..” Ophthalmic Surg Lasers Imaging Retina 47, no. 6 (June 1, 2016): 508–13. https://doi.org/10.3928/23258160-20160601-01.
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  - Grewal, Dilraj S., Ritika R. Dalal, Scott Jun, Jonathan Chou, and Surendra Basti. “Impact of the Learning Curve on Intraoperative Surgical Time in Femtosecond Laser-Assisted Cataract Surgery..” J Refract Surg 32, no. 5 (May 1, 2016): 311–17. https://doi.org/10.3928/1081597X-20160217-02.
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  - Polascik, Breanna A., Dilraj S. Grewal, Kim Jiramongkolchai, and Sharon Fekrat. “Choroidal Thickness and En Face Optical Coherence Tomography Imaging in Autoimmune Retinopathy..” Ophthalmic Surg Lasers Imaging Retina 47, no. 4 (April 1, 2016): 362–65. https://doi.org/10.3928/23258160-20160324-10.
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  - Grewal, Dilraj S., Tim Schultz, Surendra Basti, and H Burkhard Dick. “Femtosecond laser-assisted cataract surgery--current status and future directions..” Surv Ophthalmol 61, no. 2 (March 2016): 103–31. https://doi.org/10.1016/j.survophthal.2015.09.002.
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  - Grewal, Dilraj S., and Tamer H. Mahmoud. “Autologous Neurosensory Retinal Free Flap for Closure of Refractory Myopic Macular Holes..” Jama Ophthalmol 134, no. 2 (February 2016): 229–30. https://doi.org/10.1001/jamaophthalmol.2015.5237.
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  - Grewal, Dilraj S., Sandra S. Stinnett, Francisco A. Folgar, Eric W. Schneider, Lejla Vajzovic, Sanjay Asrani, Sharon F. Freedman, Prithvi Mruthyunjaya, and Paul Hahn. “A Comparative Study of Rebound Tonometry With Tonopen and Goldmann Applanation Tonometry Following Vitreoretinal Surgery..” Am J Ophthalmol 161 (January 2016). https://doi.org/10.1016/j.ajo.2015.09.022.
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  - Oellers, Patrick, Dilraj S. Grewal, and Sharon Fekrat. “Role of aflibercept for macular edema following branch retinal vein occlusion: comparison of clinical trials..” Clin Ophthalmol 10 (2016): 411–18. https://doi.org/10.2147/OPTH.S98853.
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  - Homer, N., D. S. Grewal, R. G. Mirza, A. T. Lyon, and M. K. Gill. “Response to: 'Comment on Transitioning to intravitreal aflibercept following a previous treat-and-extend dosing regimen in neovascular age-related macular degeneration: 24-month results'..” Eye (Lond) 29, no. 12 (December 2015): 1630–31. https://doi.org/10.1038/eye.2015.191.
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  - Grewal, Dilraj S., Varun Reddy, and Tamer H. Mahmoud. “Assessment of Foveal Microstructure and Foveal Lucencies Using Optical Coherence Tomography Radial Scans Following Macular Hole Surgery..” Am J Ophthalmol 160, no. 5 (November 2015): 990-999.e1. https://doi.org/10.1016/j.ajo.2015.08.014.
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  - Homer, N., D. S. Grewal, R. G. Mirza, A. T. Lyon, and M. K. Gill. “Transitioning to intravitreal aflibercept following a previous treat-and-extend dosing regimen in neovascular age-related macular degeneration: 24-month results..” Eye (Lond) 29, no. 9 (September 2015): 1152–55. https://doi.org/10.1038/eye.2015.87.
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  - Grewal, Dilraj S., and Satinder P. S. Grewal. “Femtosecond laser-assisted cataract surgery in pre-existing posterior capsule rupture following closed globe injury..” Clin Exp Ophthalmol 43, no. 5 (July 2015): 478–80. https://doi.org/10.1111/ceo.12472.
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  - Grewal, Dilraj S., Debra A. Goldstein, Anup K. Khatana, and Angelo P. Tanna. “Bilateral angle closure following use of a weight loss combination agent containing topiramate..” J Glaucoma 24, no. 5 (June 2015): e132–36. https://doi.org/10.1097/IJG.0000000000000157.
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  - Kanesa-Thasan, Aditya, Dilraj S. Grewal, Manjot K. Gill, Alice T. Lyon, and Rukhsana G. Mirza. “Quantification of Change in Pigment Epithelial Detachment Volume and Morphology After Transition to Intravitreal Aflibercept in Eyes With Recalcitrant Neovascular AMD: 18-Month Results..” Ophthalmic Surg Lasers Imaging Retina 46, no. 6 (June 2015): 638–41. https://doi.org/10.3928/23258160-20150610-07.
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  - Grewal, Dilraj S., Satinder Pal Singh Grewal, and Surendra Basti. “Incomplete femtosecond laser-assisted capsulotomy and lens fragmentation due to emulsified silicone oil in the anterior chamber..” J Cataract Refract Surg 40, no. 12 (December 2014): 2143–47. https://doi.org/10.1016/j.jcrs.2014.09.022.
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  - Grewal, D. S., S. Basti, and S. P. S. Grewal. “Intraoperative modifications required during femtosecond laser-assisted cataract surgery for lamellar cataracts..” Eye (Lond) 28, no. 11 (November 2014): 1385–87. https://doi.org/10.1038/eye.2014.184.
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  - Grewal, Dilraj S., Surendra Basti, and Satinder Pal Singh Grewal. “Customizing femtosecond laser-assisted cataract surgery in a patient with a traumatic corneal scar and cataract..” J Cataract Refract Surg 40, no. 11 (November 2014): 1926–27. https://doi.org/10.1016/j.jcrs.2014.09.021.
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  - Grewal, Dilraj S., and Surendra Basti. “Intraoperative reverse pupillary block during femtosecond laser-assisted cataract surgery in a patient with phacomorphic angle closure..” J Cataract Refract Surg 40, no. 11 (November 2014): 1909–12. https://doi.org/10.1016/j.jcrs.2014.08.012.
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  - Grewal, Dilraj S., Peter M. Holland, Olga Frankfurt, and Dmitry Pyatetsky. “Asymmetric anterior uveitis as a delayed complication of treatment with systemic high-dose cytosine-arabinoside: a case report and literature review..” Ocul Immunol Inflamm 22, no. 4 (August 2014): 322–25. https://doi.org/10.3109/09273948.2013.801990.
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  - Grewal, D. S., M. K. Gill, D. Sarezky, A. T. Lyon, and R. G. Mirza. “Visual and anatomical outcomes following intravitreal aflibercept in eyes with recalcitrant neovascular age-related macular degeneration: 12-month results..” Eye (Lond) 28, no. 7 (July 2014): 895–99. https://doi.org/10.1038/eye.2014.101.
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  - Grewal, Dilraj S., Elizabeth Chiang, Elizabeth Wong, Nicholas J. Volpe, and Paul J. Bryar. “Adult ophthalmology inpatient consults at a tertiary care teaching hospital..” Ophthalmology 121, no. 7 (July 2014): 1489-91.e1. https://doi.org/10.1016/j.ophtha.2014.01.010.
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  - Grewal, Dilraj S., Surendra Basti, and Satinder Pal Singh Grewal. “Femtosecond laser-assisted cataract surgery in a subluxated traumatic cataract..” J Cataract Refract Surg 40, no. 7 (July 2014): 1239–40. https://doi.org/10.1016/j.jcrs.2014.05.018.
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  - Grewal, Dilraj S., and Surendra Basti. “Femtosecond cataract laser capsulotomy enabling optic capture and secondary sulcus iol insertion in an eye with traumatic aniridia and aphakia..” J Refract Surg 30, no. 6 (June 2014): 416–19. https://doi.org/10.3928/1081597X-20140516-02.
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  - Grewal, Dilraj S., Gerald A. Fishman, and Lee M. Jampol. “Autoimmune retinopathy and antiretinal antibodies: a review..” Retina 34, no. 5 (May 2014): 827–45. https://doi.org/10.1097/IAE.0000000000000119.
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  - Grewal, Dilraj S., Lee M. Jampol, Amani A. Fawzi, and Brandon J. Lujan. “Diagnostic and therapeutic challenges..” Retina 34, no. 4 (April 2014): 816–20. https://doi.org/10.1097/IAE.0b013e31829fae5e.
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  - Grewal, Dilraj S., and Surendra Basti. “Incomplete capsulotomy using femtosecond laser with a pupil expansion device..” J Cataract Refract Surg 40, no. 4 (April 2014): 680–82. https://doi.org/10.1016/j.jcrs.2014.02.009.
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  - Grewal, Dilraj S., and Surendra Basti. “Intraoperative vertical gas breakthrough during clear corneal incision creation with the femtosecond cataract laser..” J Cataract Refract Surg 40, no. 4 (April 2014): 666–70. https://doi.org/10.1016/j.jcrs.2014.01.025.
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  - Grewal, Dilraj S., and Surendra Basti. “Comparison of morphologic features of clear corneal incisions created with a femtosecond laser or a keratome..” J Cataract Refract Surg 40, no. 4 (April 2014): 521–30. https://doi.org/10.1016/j.jcrs.2013.11.028.
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  - Grewal, Dilraj Singh, and Janice Lasky Zeid. “Isolated abducens nerve palsy following neonatal hepatitis B vaccination..” J Aapos 18, no. 1 (February 2014): 75–76. https://doi.org/10.1016/j.jaapos.2013.09.012.
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  - Grewal, Dilraj S., Jonathan Chou, Stuart D. Rollins, and Amani A. Fawzi. “A pilot quantitative study of topographic correlation between reticular pseudodrusen and the choroidal vasculature using en face optical coherence tomography..” Plos One 9, no. 3 (2014). https://doi.org/10.1371/journal.pone.0092841.
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  - Riaz, Kamran M., Dilraj S. Grewal, Pedro Cervantes, and Surendra Basti. “Endothelial damage with two DSAEK insertion techniques performed by a novice corneal surgeon in residency training: a comparative analysis..” Cornea 33, no. 1 (January 2014): 91–95. https://doi.org/10.1097/ICO.0000000000000003.
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  - Grewal, Dilraj S., and Angelo P. Tanna. “Diagnosis of glaucoma and detection of glaucoma progression using spectral domain optical coherence tomography..” Curr Opin Ophthalmol 24, no. 2 (March 2013): 150–61. https://doi.org/10.1097/ICU.0b013e32835d9e27.
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  - Jain, Rajeev, Dilraj Grewal, and Satinder Pal Singh Grewal. “Quantitative analysis of anterior chamber following peripheral laser iridotomy using Pentacam in eyes with primary angle closure..” Eur J Ophthalmol, May 14, 2012. https://doi.org/10.5301/ejo.5000158.
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  - Grewal, Dilraj S., and Surendra Basti. “Modified technique for removal of Soemmerring ring and in-the-bag secondary intraocular lens placement in aphakic eyes..” J Cataract Refract Surg 38, no. 5 (May 2012): 739–42. https://doi.org/10.1016/j.jcrs.2012.02.023.
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  - Grewal, Dilraj S., Mitra Sehi, James D. Paauw, David S. Greenfield, and David S. Advanced Imaging in Glaucoma Study Group. “Detection of progressive retinal nerve fiber layer thickness loss with optical coherence tomography using 4 criteria for functional progression..” J Glaucoma 21, no. 4 (April 2012): 214–20. https://doi.org/10.1097/IJG.0b013e3182071cc7.
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  - Grewal, Dilraj Singh, and Satinder Pal Singh Grewal. “Clinical applications of Scheimpflug imaging in cataract surgery..” Saudi J Ophthalmol 26, no. 1 (January 2012): 25–32. https://doi.org/10.1016/j.sjopt.2011.11.001.
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  - Grewal, Dilraj S., Mitra Sehi, David S. Greenfield, and David S. Advanced Imaging in Glaucoma Study Group. “Comparing rates of retinal nerve fibre layer loss with GDxECC using different methods of visual-field progression..” Br J Ophthalmol 95, no. 8 (August 2011): 1122–27. https://doi.org/10.1136/bjo.2010.183483.
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  - Grewal, Dilraj S., Mitra Sehi, Richard J. Cook, David S. Greenfield, and David S. Advanced Imaging in Glaucoma Study Group. “The impact of retardance pattern variability on nerve fiber layer measurements over time using GDx with variable and enhanced corneal compensation..” Invest Ophthalmol Vis Sci 52, no. 7 (June 23, 2011): 4516–24. https://doi.org/10.1167/iovs.10-5969.
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  - Grewal, D. S., G. S. Brar, R. Jain, and S. P. S. Grewal. “Comparison of Scheimpflug imaging and spectral domain anterior segment optical coherence tomography for detection of narrow anterior chamber angles..” Eye (Lond) 25, no. 5 (May 2011): 603–11. https://doi.org/10.1038/eye.2011.14.
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  - Grewal, Dilraj S., Gagandeep S. Brar, and Satinder Pal Singh Grewal. “Posterior corneal elevation after LASIK with three flap techniques as measured by Pentacam..” J Refract Surg 27, no. 4 (April 2011): 261–68. https://doi.org/10.3928/1081597X-20100618-01.
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  - Grewal, Dilraj S., Mitra Sehi, and David S. Greenfield. “Detecting glaucomatous progression using GDx with variable and enhanced corneal compensation using Guided Progression Analysis..” Br J Ophthalmol 95, no. 4 (April 2011): 502–8. https://doi.org/10.1136/bjo.2010.180810.
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  - Sehi, Mitra, Dilraj S. Grewal, William J. Feuer, and David S. Greenfield. “The impact of intraocular pressure reduction on retinal ganglion cell function measured using pattern electroretinogram in eyes receiving latanoprost 0.005% versus placebo..” Vision Res 51, no. 2 (January 28, 2011): 235–42. https://doi.org/10.1016/j.visres.2010.08.036.
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  - Sehi, Mitra, Dilraj S. Grewal, Haogang Zhu, William J. Feuer, and David S. Greenfield. “Quantification of change in axonal birefringence following surgical reduction in intraocular pressure..” Ophthalmic Surg Lasers Imaging 42, no. 1 (January 2011): 45–52. https://doi.org/10.3928/15428877-20101124-06.
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  - Sehi, Mitra, Dilraj S. Grewal, Margot L. Goodkin, and David S. Greenfield. “Reversal of retinal ganglion cell dysfunction after surgical reduction of intraocular pressure..” Ophthalmology 117, no. 12 (December 2010): 2329–36. https://doi.org/10.1016/j.ophtha.2010.08.049.
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  - Goodkin, Margot L., Dilraj S. Grewal, and David S. Greenfield. “Three-dimensional high-speed optical coherence tomography for diagnosis of hypotony maculopathy after glaucoma filtration surgery..” J Glaucoma 19, no. 6 (August 2010): 349–55. https://doi.org/10.1097/IJG.0b013e3181bd59c.
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  - Grewal, Dilraj S., Gagandeep S. Brar, and Satinder P. S. Grewal. “Assessment of central corneal thickness in normal, keratoconus, and post-laser in situ keratomileusis eyes using Scheimpflug imaging, spectral domain optical coherence tomography, and ultrasound pachymetry..” J Cataract Refract Surg 36, no. 6 (June 2010): 954–64. https://doi.org/10.1016/j.jcrs.2009.12.033.
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  - Grewal, Dilraj S., Mitra Sehi, and David S. Greenfield. “Diffuse glaucomatous structural and functional damage in the hemifield without significant pattern loss..” Arch Ophthalmol 127, no. 11 (November 2009): 1442–48. https://doi.org/10.1001/archophthalmol.2009.196.
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  - Sehi, Mitra, Dilraj S. Grewal, Clinton W. Sheets, and David S. Greenfield. “Diagnostic ability of Fourier-domain vs time-domain optical coherence tomography for glaucoma detection..” Am J Ophthalmol 148, no. 4 (October 2009): 597–605. https://doi.org/10.1016/j.ajo.2009.05.030.
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  - Grewal, D. S., and S. P. S. Grewal. “Clinical applications of Scheimpflug imaging.” Expert Review of Ophthalmology 4, no. 3 (September 15, 2009): 243–58. https://doi.org/10.1586/eop.09.20.
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  - Grewal, Dilraj S., Gagandeep S. Brar, and Satinder Pal Singh Grewal. “Correlation of nuclear cataract lens density using Scheimpflug images with Lens Opacities Classification System III and visual function..” Ophthalmology 116, no. 8 (August 2009): 1436–43. https://doi.org/10.1016/j.ophtha.2009.03.002.
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  - Grewal, Dilraj Singh, Rajeev Jain, Gagandeep Singh Brar, and Satinder Pal Singh Grewal. “Scheimpflug imaging of pediatric posterior capsule rupture..” Indian J Ophthalmol 57, no. 3 (May 2009): 236–38. https://doi.org/10.4103/0301-4738.49404.
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  - Grewal, Dilraj S., Gagandeep S. Brar, Rajeev Jain, Vardaan Sood, Mohit Singla, and Satinder Pal Singh Grewal. “Corneal collagen crosslinking using riboflavin and ultraviolet-A light for keratoconus: one-year analysis using Scheimpflug imaging..” J Cataract Refract Surg 35, no. 3 (March 2009): 425–32. https://doi.org/10.1016/j.jcrs.2008.11.046.
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  - Singla, Mohit, Vaibhav Sahai, and Dilraj S. Grewal. “Neural tube defects and herbal medicines containing lead: a possible relationship..” Med Hypotheses 72, no. 3 (March 2009): 285–87. https://doi.org/10.1016/j.mehy.2008.10.010.
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  - Sheets, Clinton W., Dilraj S. Grewal, and David S. Greenfield. “Ocular toxoplasmosis presenting with focal retinal nerve fiber atrophy simulating glaucoma..” J Glaucoma 18, no. 2 (February 2009): 129–31. https://doi.org/10.1097/IJG.0b013e318179f83f.
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  - Grewal, Dilraj S., Rajeev Jain, Harsh Kumar, and Satinder Pal Singh Grewal. “Evaluation of subconjunctival bevacizumab as an adjunct to trabeculectomy a pilot study..” Ophthalmology 115, no. 12 (December 2008): 2141-2145.e2. https://doi.org/10.1016/j.ophtha.2008.06.009.
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  - Grewal, D. S., R. Jain, S. P. S. Grewal, and V. Rihani. “Artificial neural network-based glaucoma diagnosis using retinal nerve fiber layer analysis..” Eur J Ophthalmol 18, no. 6 (November 2008): 915–21. https://doi.org/10.1177/112067210801800610.
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  - Brar, Gagandeep S., Dilraj S. Grewal, Jagat Ram, Mohit Singla, and Satinder Pal S. Grewal. “Square-edge polymethylmethacrylate intraocular lens design for reducing posterior capsule opacification following paediatric cataract surgery: initial experience..” Clin Exp Ophthalmol 36, no. 7 (October 2008): 625–30. https://doi.org/10.1111/j.1442-9071.2008.01818.x.
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  - Grewal, D. S., R. Jain, G. S. Brar, and S. P. S. Grewal. “Posterior capsule rupture following closed globe injury: Scheimpflug imaging, pathogenesis, and management..” Eur J Ophthalmol 18, no. 3 (May 2008): 453–55. https://doi.org/10.1177/112067210801800323.
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  - Grewal, Dilraj, Rajeev Jain, Gagandeep Singh Brar, and Satinder Pal Singh Grewal. “Pentacam tomograms: a novel method for quantification of posterior capsule opacification..” Invest Ophthalmol Vis Sci 49, no. 5 (May 2008): 2004–8. https://doi.org/10.1167/iovs.07-1056.
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  - Singla, M., E. John, G. Hidalgo, D. Grewal, and C. Macmillan. “Moyamoya vasculopathy in a child after hemolytic uremic syndrome: a possible etiopathogenesis..” Neuropediatrics 39, no. 2 (April 2008): 128–30. https://doi.org/10.1055/s-2008-1081458.
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  - Jain, Rajeev, Grewal Dilraj, and Satinder Pal Singh Grewal. “Repeatability of corneal parameters with Pentacam after laser in situ keratomileusis..” Indian J Ophthalmol 55, no. 5 (September 2007): 341–47.
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  - Grewal, Dilraj Singh, Rajeev Jain, Gagandeep Singh Brar, and Satinder Pal Singh Grewal. “Unilateral electric cataract: Scheimpflug imaging and review of the literature..” J Cataract Refract Surg 33, no. 6 (June 2007): 1116–19. https://doi.org/10.1016/j.jcrs.2007.01.041.
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  - Grewal, Satinder Pal Singh, Rajeev Jain, Dilraj Grewal, and Rajeev Gupta. “In vivo fluorescein staining of SI-30NB silicone intraocular lens..” J Cataract Refract Surg 33, no. 1 (January 2007): 156–58. https://doi.org/10.1016/j.jcrs.2006.07.046.
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  - Grewal, Satinder Pal Singh, Rajeev Jain, Dilraj Grewal, and Rajeev Gupta. “In vivo fluorescein staining of SI-30NB silicone intraocular lens.” Journal of Cataract and Refractive Surgery 33, no. 1 (January 1, 2007): 156–58. https://doi.org/10.1016/j.jcrs.2006.07.046.
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  - Jain, Rajeev, Dilraj Grewal, Rajeev Gupta, and Satinder Pal Singh Grewal. “Scheimpflug imaging in late Capsular Bag Distention syndrome after phacoemulsification..” Am J Ophthalmol 142, no. 6 (December 2006): 1083–85. https://doi.org/10.1016/j.ajo.2006.06.055.
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  - Grewal, Satinder Pal Singh, Rajeev Jain, Rajeev Gupta, and Dilraj Grewal. “Role of scheimpflug imaging in traumatic intralenticular foreign body..” Am J Ophthalmol 142, no. 4 (October 2006): 675–76. https://doi.org/10.1016/j.ajo.2006.04.064.
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- Conference Papers
  - Yiu, Glenn, Parisa Emami-naeini, Jordan Deaner, Ferhina Ali, Priyanka Gogte, Richard Kaplan, Kevin Chen, et al. “Experience and Outcomes of Pneumatic Retinopexy Performed by Vitreoretinal Fellows in the United States.” In Investigative Ophthalmology & Visual Science, Vol. 59. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2018.
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  - Yoon, Stephen Paul, Dilraj Singh Grewal, Bryce W. Polascik, Cynthia Dunn, Kim Johnson, James Burke, and Sharon Fekrat. “Comparison of Retinal Microvasculature and Neurodegenerative Changes among Alzheimer's disease, Mild Cognitive Impairment, and Controls.” In Investigative Ophthalmology & Visual Science, Vol. 59. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2018.
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  - Finn, Avni P., Akshay Thomas, Dilraj Singh Grewal, and Glenn Jay Jaffe. “Cystoid Macular Edema as a Marker in the Progression of Autoimmune Retinopathy.” In Investigative Ophthalmology & Visual Science, Vol. 58. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2017.
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  - Grewal, Dilraj Singh, Sophia L. Zagora, Susan Lightman, and Oren Tomkins-Netzer. “Optical Coherence Tomography Angiography Assessment Of Choriocapillaris Ischemia In Ampiginous And Serpigenous Choroidits And Its Response To Treatment.” In Investigative Ophthalmology & Visual Science, Vol. 58. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2017.
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  - Simonett, Joseph M., Dilraj S. Grewal, Amani A. Fawzi, Alice T. Lyon, and Manjot K. Gill. “Fundus Autofluorescence Patterns of Submacular Fluid Resolution Following Repair of Macula-Involving Rhegmatogenous Retinal Detachments..” In Ophthalmic Surg Lasers Imaging Retina, 47:1020–29, 2016. https://doi.org/10.3928/23258160-20161031-06.
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  - KTalati, Rushi, Ritika Dalal, Dilrai Singh Grewal, and Surendra Basti. “Prospective randomization evaluation of intraocular lens centration with scanned capsule versus limbus-based capsulotomy for femtosecond laser assisted cataract surgery.” In Investigative Ophthalmology & Visual Science, Vol. 57. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2016.
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  - Walter, Scott, Dilraj Singh Grewal, David Cunefare, Paramjit K. Bhullar, Sina Farsiu, and Tamer H. Mahmoud. “Topography of the Vitreoretinal Interface in Vitreomacular Traction Syndrome.” In Investigative Ophthalmology & Visual Science, Vol. 57. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2016.
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  - Grewal, Dilraj Singh, Varun Reddy, and Tamer H. Mahmoud. “Assessment of Foveal Microstructure and Lucencies using High Density Radial Scanning Protocol On SD-OCT and Correlation with Visual Recovery following Macular Hole Surgery.” In Investigative Ophthalmology & Visual Science, Vol. 56. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2015.
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  - McNabb, Ryan P., Dilraj Singh Grewal, Stefanie Schuman, Prithvi Mruthyunjaya, Joseph A. Izatt, and Anthony N. Kuo. “Ultra wide-field swept-source optical coherence tomography for peripheral eye disease.” In Investigative Ophthalmology & Visual Science, Vol. 56. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2015.
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