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What Do Black Lines In Vision Indicate?

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Posted on Mon, 13 Oct 2014
Question: I woke up from sleeping went into a room with a bright light, went back to bed and saw three black lines in my vision. When I looked down they disappeared but than looking back up they reappeared turned on the bedside light and the lines disappeared again. I turned off the light and than I saw the letter S where the lines had been. I ad my eyes checked and they said everything looked normal. Is there anything I should be worried about
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Answered by Dr. Anshul Varshney (23 minutes later)
Brief Answer:
Its Normal.

Detailed Answer:
Dear Friend.
Welcome to HCM. I am Dr Anshul Varshney. I understand your concern.
The feeling you had and actually what you saw is normal. When you move from dark to bright light the pupils of your eyes adjust. Many times due to sudden bright exposure the pupillary reaction is slow and adjustment takes time so this happens.
If we talk about pathological problem this occurs when there is a problem in retina or in occipital lobe of brain.
But since you have got your eye tested I suppose they must have checked your retina too.
As far as occipital lobe pathology is concerned, if there is any pathology there then the same episodes would have been occured in normal light too.
So I don't find any reason to worry.
If you have any further query feel comfortable to ask me.
Stay Healthy.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Anshul Varshney

Internal Medicine Specialist

Practicing since :2009

Answered : 3071 Questions

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What Do Black Lines In Vision Indicate?

Brief Answer: Its Normal. Detailed Answer: Dear Friend. Welcome to HCM. I am Dr Anshul Varshney. I understand your concern. The feeling you had and actually what you saw is normal. When you move from dark to bright light the pupils of your eyes adjust. Many times due to sudden bright exposure the pupillary reaction is slow and adjustment takes time so this happens. If we talk about pathological problem this occurs when there is a problem in retina or in occipital lobe of brain. But since you have got your eye tested I suppose they must have checked your retina too. As far as occipital lobe pathology is concerned, if there is any pathology there then the same episodes would have been occured in normal light too. So I don't find any reason to worry. If you have any further query feel comfortable to ask me. Stay Healthy.