Ophthalmologists and optometrists diagnose peripheral vision loss by performing vision tests to see how far to the side a person can see or identify an object. A confrontation visual field test is ...

There are two possibilities; either the 'private line' ensured ... A critical test between these hypotheses is color vision in far peripheral retina, at eccentricities beyond 20-30 degrees.

You may need a visual field test to help your doctor monitor or see signs of certain diseases like glaucoma. In the earlier stages of glaucoma, you may lose peripheral vision without realizing it ...

many people do not realize they have the condition and may only detect its presence during a routine eye test. Over time, a person may slowly lose vision, usually starting with the peripheral ...

A tonometry test takes an intraocular reading, and a visual field test checks peripheral vision. Dr. Sharma stresses, "Those with increased risk factors, such as high myopes or hypermetropes ...