AAYURREKHA-(ആയുർരേഖ)-VISUAL ACUITY(VA)(കാഴ്ച ശക്തി)-EPI 31

Visual acuity (VA) is a measure of the ability of the eye to distinguish shapes and the details of objects at a given distance. It is important to assess VA in a consistent way in order to detect any changes in vision. One eye is tested at a time. Visual acuity (VA) is a measure of how well someone can see fine details. It's usually tested by reading an eye chart. VA is important to assess consistently to detect any changes in vision. It depends on optical and neural factors.