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Definition
visual field defect - abnormal enlargement and widening of the blind-spot of the eye; multiple
blind spots.
Where the optic nerve enters the eye, there is a blind spot. This is
normal for everyone and is caused by a small gap in the light
receptors at the back of the eye where the nerve enters. Visual
field defect is the development of multiple blind spots or the
enlargement of the existing one.
Links
visual field defect - Merck Manual (Neuro-Opthamalogic Disorders)
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keywords:
visual, field, defect, eye, vision, optic, nerve, blind, spots,
multiple
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