Horizontal fusional amplitudes after adaptation to prism
作者:
Gregory L. Stephens,
Ronald Jones,
期刊:
Ophthalmic and Physiological Optics
(WILEY Available online 1990)
卷期:
Volume 10,
issue 1
页码: 25-28
ISSN:0275-5408
年代: 1990
DOI:10.1111/j.1475-1313.1990.tb01101.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Horizontal fusional limits and lateral phorias were measured subjectively on five normal subjects after adaptation to increments of base‐in and base‐out prism. Both the phoria and the fusional limits were found to change by approximately the amount of the adapting prism. The fusional amplitudes (the difference between the phoria and the fusional limits) were relatively unaffected by vergence adaptation except at the largest values of adapting prism. These results are in agreement with current models of disparity vergence eye movement control which suggest that there are independent fast and slow fusional vergence mechanisms, each with its own saturation li
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