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Question:
What causes colors to register differently? At times I see black as green when I first wake up. I also see a yellow/green tint over everything. 

Answer:
It is difficult to say why colors "register" differently at different times. This is not a common difficulty mentioned by patients. You should see your Eye M.D. for a comprehensive exam to help determine why you are having such unusual issues. Often, medications and side effects from medications for the heart can cause color vision changes. This is a symptom that needs further investigation.

Answered by: John Kitchens, MD Dr. John W. Kitchens

Categories: General Eye Health

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Answered: Sep 25, 2012

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