Micrometer-scale resolution imaging of the anterior eye in vivo with optical coherence tomography.

Journal Article (Journal Article)

Objective

To demonstrate a new diagnostic technique, optical coherence tomography, for high-resolution cross-sectional imaging of structures in the anterior segment of the human eye in vivo. Optical coherence tomography is a new, noninvasive, noncontact optical imaging modality that has spatial resolution superior to that of conventional clinical ultrasonography (< 20 microns) and high sensitivity (dynamic range, > 90 dB).

Design

Survey of intraocular structure and dimension measurements.

Setting

Laboratory.

Patients

Convenience sample.

Main outcome measures

Correlation with range of accepted normal intraocular structure profiles and dimensions.

Results

Direct in vivo measurements with micrometer-scale resolution were performed of corneal thickness and surface profile (including visualization of the corneal epithelium), anterior chamber depth and angle, and iris thickness and surface profile. Dense nuclear cataracts were successfully imaged through their full thickness in a cold cataract model in calf eyes in vitro.

Conclusions

Optical coherence tomography has potential as a diagnostic tool for applications in noncontact biometry, anterior chamber angle assessment, identification and monitoring of intraocular masses and tumors, and elucidation of abnormalities of the cornea, iris, and crystalline lens.

Full Text

Duke Authors

Cited Authors

  • Izatt, JA; Hee, MR; Swanson, EA; Lin, CP; Huang, D; Schuman, JS; Puliafito, CA; Fujimoto, JG

Published Date

  • December 1994

Published In

Volume / Issue

  • 112 / 12

Start / End Page

  • 1584 - 1589

PubMed ID

  • 7993214

Pubmed Central ID

  • 7993214

Electronic International Standard Serial Number (EISSN)

  • 1538-3601

International Standard Serial Number (ISSN)

  • 0003-9950

Digital Object Identifier (DOI)

  • 10.1001/archopht.1994.01090240090031

Language

  • eng