Very sensitive : Formal visual field testing can pick up very small defects due to optic nerve damage. The test can be affectedy your ability to stay focused however.
Answered 6/2/2019
5.3k views
Difficult to tell: Depends on what instrument is used to access the eye.
Answered 3/7/2015
5.3k views
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A doctor has provided 1 answer
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3 doctors weighed in across 2 answers
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