Ms. Deniz Akyazi Profile

Deniz Akyazi

at CY Vision

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Proceedings Article | 15 March 2023 Poster + Paper

Artificial eye model and holographic display-based IOL simulator

Deniz Akyazi, Koray Kavakli, Ugur Aygun, Afsun Sahin, Hakan Urey

Proceedings Volume 12360, 123600W (2023) https://doi.org/10.1117/12.2653265

KEYWORDS: Eye models, Eye, Holography, Cataracts, Visualization, Optical simulations, Light sources, Surgery, Holographic displays, Spatial light modulators

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Cataract is a common ophthalmic disease in which a cloudy area is formed in the lens of the eye and requires surgical removal and replacement of eye lens. Careful selection of the intraocular lens (IOL) is critical for the post-surgery satisfaction of the patient. Although there are various types of IOLs in the market with different properties, it is challenging for the patient to imagine how they will perceive the world after the surgery. We propose a novel holographic vision simulator which utilizes non-cataractous regions on eye lens to allow the cataract patients to experience post-operative visual acuity before surgery. Computer generated holography display technology enables to shape and steer the light beam through the relatively clear areas of the patient’s lens. Another challenge for cataract surgeries is to match the right patient with the right IOL. To evaluate various IOLs, we developed an artificial human eye composed of a scleral lens, a glass retina, an iris, and a replaceable IOL holder. Next, we tested different IOLs (monofocal and multifocal) by capturing real-world scenes to demonstrate visual artifacts. Then, the artificial eye was implemented in the benchtop holographic simulator to evaluate various IOLs using different light sources and holographic contents.

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