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A member asked:
Erg test can useful in nightblindness?.what benefit of this test?
A doctor has provided 1 answer
Diagnosis: There are a family of inherited retinal degenertions that produce night blindness and will show up on the erg test which measures the electrical response of the retina when stimulated by light flashes. The test can separate these from other causes of night blindness.
Answered 4/22/2013
5.2k views
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