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Dr. James, Board Certified Ophthalmologist
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My 15 year old daughter has pupils that constantly dilate and

Resolved Question:

My 15 year old daughter has pupils that constantly dilate and restrict, in bright or dim light. They have always done this, and the optometrists always say it's nothing, but none of them seems to be familiar with it either. She is sensetive to sunlight, but rarely wears her dark glasses. Her eyesight is fine, no glasses so far. I'm concerned about sun damage, but also just to find out what this is, as none of our other kids has displayed this condition. Would a contact lens that is tinted like sunglasses help? Is there anything I should be doing?
Submitted: 5 years ago.
Category: Eye
Expert:  Dr. James replied 5 years ago.
Are both pupils about the same size? Does your daughter report any problems with her eyes? Do they react normally to light?
Customer: replied 5 years ago.
they are the same size, but almost 'quiver' since they are always growing and shrinking. As for reacting normally, they keep dilating and shrinking, as I've said. When she goes into sunlight or you shine a light at her eyes, they do initially constrict, but only momentarily, then start the constant adjusting they do.
Expert:  Dr. James replied 5 years ago.
Pupil size is different in everyone. Commonly, they can be large in young people, and tend to get smaller as people get older. The important things are that they work normally, meaning react to light), are roughly equal, and round. The adjusting of the pupil you mention is called "hippus", commonly observed in young people.

If she is abnormally light sensitive, I would recommend sun shades when she goes out. There are special opaque contact lenses with a small central opening to limit the light coming in, but this would only be consider if she was very light sensitive.

It sounds like the previous exams have been normal, and from what you have told me, it does not seem out of the ordinary. I would not worry about sun damage because of the large pupils. The natural lens has is able to block some UV rays fromt the sun. She should wear sun shades when in the bright sun, but not doing so won't cause extra damage.

Remember to press the green accept button. It was a pleasure helping you with your question. Best wishes to you and your daughter. Smile

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Disclaimer: Information provided is for educational purposes only and does not establish a patient-physician relationship nor substitute for a personal consultation with a physician.
Dr. James, Board Certified Ophthalmologist
Category: Eye
Satisfied Customers: 2282
Experience: Eye Physician and Surgeon
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