Toward optical coherence topography

Samir Sayegh; Yanshui Jiang

doi:10.1117/12.909714

9 March 2012 Toward optical coherence topography

Samir Sayegh, Yanshui Jiang

Proceedings Volume 8209, Ophthalmic Technologies XXII; 82091U (2012) https://doi.org/10.1117/12.909714
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

Commercial OCT systems provide pachymetry measurements. Full corneal topographic information of anterior and posterior corneal surfaces for use in cataract surgery and refractive procedures is a desirable goal and would add to the usefulness of anterior and posterior segment evaluation. While substantial progress has been made towards obtaining "average" central corneal power (D Huang), power in different meridians and topography are still missing. This is usually reported to be due to eye movement. We analyze the role of centration, eye movements and develop a model that allows for the formulation of criteria for obtaining reliable topographic data within ¼ diopter.

Citation Download Citation

Samir Sayegh and Yanshui Jiang "Toward optical coherence topography", Proc. SPIE 8209, Ophthalmic Technologies XXII, 82091U (9 March 2012); https://doi.org/10.1117/12.909714

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KEYWORDS

Optical coherence tomography

Surgery

Eye

Cornea

Coherence (optics)

Data modeling

Eye models

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