The World Health Organization (WHO) classifies people with<unk><unk>  as follows: *1. 6/18 (20/60) 0.5 to 6/60 (20/200) 1.0 *2. 6/60 (20/200) 1.0 to 3/60 (20/400) 1.3 *3. 3/60 (20/400) 1.3 to 1/60 (20/1200) 1.8 readings from left to right are in metres, feet and LogMAR values
Low vision assessment
Integrated cognitive assessment
Mental status examination
Nutritional rating systems
Impairment rating
CDR computerized assessment system
Global Assessment of Functioning
GPS for the visually impaired