Visual performance after the deterioration of retinal image quality: induced forward scattering using Bangerter foils and fog filters

被引：18
作者：
Castro-Torres, Jose J. [1 ]
Martino, Francesco [1 ]
Casares-Lopez, Miriam [1 ]
Ortiz-Peregrina, Sonia [1 ]
Ortiz, Carolina [1 ]
机构：
[1] Univ Granada, Lab Vis Sci & Applicat, Dept Opt, E-18071 Granada, Spain
来源：
BIOMEDICAL OPTICS EXPRESS | 2021年 / 12卷 / 05期
关键词：
NIGHT-VISION DISTURBANCES; OPTICAL-QUALITY; CONTRAST-SENSITIVITY; DISCRIMINATION CAPACITY; BINOCULAR SUMMATION; INTRAOCULAR-LENS; LIGHT SCATTER; STRAYLIGHT; GLARE; COMPENSATION;
D O I：
10.1364/BOE.424715
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We induced and evaluated different levels of retinal-image degradation using Bangerter foils and fog filters. We found increased straylight and an important deterioration in visual performance, assessed by means of visual acuity, contrast threshold, and visual discrimination capacity. Bangerter foils induced forward scattering levels comparable to those observed in mature to severe cataracts, with an important impact of halos and starbursts. Fog filters induced lower levels of intraocular scattering, although luminous veils and circular halos were reported. The visual disturbance index positively correlated with intraocular scattering and straylight. Our results show retinal-image quality has an important influence on night-vision performance. (c) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：2902 / 2918
页数：17
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