<unk><unk>  is both a subspeciality and a condition. Optometrists, Opticians and Ophthalmologists after their training may undergo further training in<unk>  and management. There are various classifications for<unk><unk> , this varies from country to country and even from state to state. It must however be noted that the work of a<unk><unk>  specialist is very important as they aid individuals with reduced<unk>  even in the presence of conventional lenses to be able to make use of their residual<unk> . People benefitting from<unk>  must be motivated to make use of the residual<unk>  and must again be willing to use the various aids that would be prescribed.
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