ALAN W. JOHNSTON

Visual Characteristics of Low Vision Children

ALAN W. JOHNSTON, 1990, Optometry and vision science : official publication of the American Academy of Optometry.

A Weighted Version of the Melbourne Low-Vision ADL Index: A Measure of Disability Impact

S. Haymes, A. Johnston, ALAN W. JOHNSTON, 2001, Optometry and vision science : official publication of the American Academy of Optometry.