DECREASE IN STEREOACUITY IN THE 7TH DECADE OF LIFE

被引：39
作者：
BROWN, B
YAP, MKH
FAN, WCS
机构：
[1] Department of Optometry and Radiography, Hong Kong Polytechnic, Hung Hom
[2] Department of Optometry, University of Auckland
来源：
OPHTHALMIC AND PHYSIOLOGICAL OPTICS | 1993年 / 13卷 / 02期
关键词：
D O I：
10.1111/j.1475-1313.1993.tb00442.x
中图分类号：
R77 [眼科学];
学科分类号：
100212 ;
摘要：
We measured stereoacuity in 41 subjects with normal Snellen acuity in each eye, and normal ocular health. Patients were measured in each of the age ranges 21-28, 41-49, 51-59 and 60-70 years. Stereoacuity was reduced from about 16 sec arc for the three younger groups to about 27 sec arc for the older subjects. Since stereopsis has a cortical neural substrate, these data suggest that there may be cortical changes affecting the interaction of information from the two eyes with advancing age, but whether these changes result from loss of contrast sensitivity, instability of ocular alignment or binocular stress, all of which have been reported in elderly subjects, is not known.
引用
收藏
页码：138 / 142
页数：5
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