Normal function, impairment, and disabilities
Criteria for evaluating permanent impairment of the visual system
Visual functions, visual tasks, and task analysis
How to perform ocular (vision) screening
Visual disability : the relationship to permanent impairment and visual tasks.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
AMA guides to the evaluation of ophthalmic impairment and disability : measure the impact of visual impairment on activities of daily life by Bernard R. Blais. ISBN 9781603591034. Published by American Medical Association in 2011. Publication and catalogue information, links to buy online and reader comments.
