Comparative Analysis of Optical Quality of Monofocal, Enhanced Monofocal, Multifocal, and Extended Depth of Focus Intraocular Lenses: A Mobile Model Eye Study

被引:3
|
作者
Kim, Eun Chul [1 ]
Cho, Soo Yeon [1 ]
Kang, Ji Eon [1 ]
Nam, Gahee [1 ]
Yoon, Young Chae [1 ]
Whang, Woong-Joo [1 ]
Na, Kyung-Sun [1 ]
Kim, Hyun-Seung [1 ]
Hwang, Ho Sik [1 ,2 ]
机构
[1] Catholic Univ Korea, Coll Med, Dept Ophthalmol, Seoul, South Korea
[2] Catholic Univ Korea, Yeouido St Marys Hosp, Coll Med, Dept Ophthalmol, 10 63 Ro, Seoul 07345, South Korea
来源
基金
新加坡国家研究基金会;
关键词
multifocal; intraocular lens; model eye; halo; defocus curve; OF-VISION IOLS; VISUAL OUTCOMES; BILATERAL IMPLANTATION; PATIENT SATISFACTION; CLINICAL-OUTCOMES; INTERMEDIATE FUNCTION; NEW-GENERATION; RANGE; PERFORMANCE; WORLD;
D O I
10.1167/tvst.12.7.5
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Purpose: To use the revised model eye to observe and compare how the world is perceived by patients with monofocal intraocular lens (IOL), Eyhance, bifocal IOL, and Symfony, and check its performance. Methods: The new mobile model eye consists of an artificial cornea, an IOL, a wet cell, an adjustable lens tube, a lens tube, an objective lens, a tube lens, and a digital single-lens reflex camera. We collected photographs of distant buildings and streets at night, videos of the focusing process, and videos of United States Air Force resolution target from 6 m to 15 cm and analyzed them quantitatively.Results: In this revised model eye using an objective lens, an artificial cornea similar to the human cornea could be used. Using a digital single-lens reflex camera, high resolution imaging was possible without an additional computer. Fine focusing was possible using an adjustable lens tube. For monofocal IOL, the contrast modulation was 0.39 at 6 m and decreased consistently. It was nearly 0 as the model eye got closer than 1.6 m. For Eyhance, the contrast modulation was 0.40 at 6 m. It then decreased and increased again. At 1.3 m, it was 0.07 and then decreased again. For Symfony, the contrast modulation was 0.18 at 6 m. Symfony showed the characteristics of a bifocal IOL with low add diopter. Halos (234 pixels) were observed around lights, although smaller than those seen with bifocal IOL (432 pixels).Conclusions: We could objectively observe and compare how patients with monofocal IOL, Eyhance, bifocal IOL, and Symfony perceived the world using this revised model eye. Translational Relevance: Data obtained by this new mobile model eye can be used to help patients select their IOLs before cataract surgeries.
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收藏
页数:18
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