Blindness is defined by the World Health Organization as vision in a person's best eye of less than 20/500 or a visual field of less than 10 degrees. This definition ...
A city is ravaged by an epidemic of instant "white
Funds research at over 50 institutions in the US and the world in the area of degenerative retinal diseases.
Feb 25, 2015
A city is hit by an epidemic of "white
Volunteer eye health and safety group dedicated to fighting
An end to