Automated detection of ocular alignment with binocular retinal birefringence scanning

被引：21
|
作者：
Hunter, DG
Shah, AS
Sau, S
Nassif, D
Guyton, DL
机构：
[1] Johns Hopkins Univ, Sch Med, Dept Biomed Engn, Baltimore, MD 21205 USA
[2] Johns Hopkins Univ, Sch Med, Dept Ophthalmol, Baltimore, MD 21205 USA
[3] Johns Hopkins Univ, Sch Med, Zanvyl Krieger Childrens Eye Ctr, Wilmer Inst, Baltimore, MD 21287 USA
来源：
APPLIED OPTICS | 2003年 / 42卷 / 16期
关键词：
D O I：
10.1364/AO.42.003047
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We previously developed a retinal birefringence scanning (RBS) device to detect eye fixation. The purpose of this study was to determine whether a new binocular RBS (BRBS) instrument can detect simultaneous fixation of both eyes. Control (nonmyopic and myopic) and strabismic subjects were studied by use of BRBS at a fixation distance of 45 cm. Binocularity (the percentage of measurements with bilateral fixation) was determined from the BRBS output. All nonstrabismic subjects with good quality signals had binocularity >75%. Binocularity averaged 5% in four subjects with strabismus (range of 0-20%). BRBS may potentially be used to screen individuals for abnormal eye alignment. (C) 2003 Optical Society of America.
引用
收藏
页码：3047 / 3053
页数：7
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