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fixed dilated pupil question
m66
My son has a fixed dilated pupil caused by a corneal abrasion. This occured some 6 months ago and shows little sign of improvement and his vision has suffered. It does not react to artificial light at all, but decreases in size noticeably in natural light/sunlight. Why does his pupil work to an extent in natural light but not in artificial light?
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233488 tn?1310696703
A corneal abrasion should NOT cause a fixed dilated pupil. Severe trauma to the eye could (traumatic iridoplegia) or if he's on red top drops (dilators) that could also do it.

I suggest you get a second opinion from a different eye MD ophthalmologist. Take in an old picture, full face taken several years ago that shows the size of the pupils for the eye MD to see.

JCH MD
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