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A 31-year-old member asked:

Hi doctors, can you tell me what is pigment dispersion syndrome?

2 doctor answers5 doctors weighed in
Dr. Tim Conrad
Ophthalmology 34 years experience
PDS: or pigment dispersion syndrome is a condition in which the iris rubs against the underlying structures releasing pigment into the inside of the eye. The pigment can accumulate in the internal drainage system causing the pressure in the eye to rise. About half of the people with PDS get this pressure rise which needs to be treated. See an ophthalmologist regularly if you have this condition.
Dr. George Yang
Ophthalmology 27 years experience
Pigment dispersion : Pigment dispersion syndrome is when the pigment in your iris (the color part of your eye) rubs off and can potentially clog the drain letting fluid out of your eye. If it clogs enough of the drain, the pressure in your eye can go up, leading to a condition called glaucoma. There is a controversial laser treatment called a YAG PI that could mitigate the dispersion. Ask your eye doctor.

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A 45-year-old member asked:

What causes pigment dispersion syndrome?

1 doctor answer2 doctors weighed in
Dr. Richard Bensinger
Ophthalmology 52 years experience
Lens fibers rub iris: When the supporting lens fibers (zonules) of the lens are anteriorly placed on the lens, they can rub against the back of the iris leading to scraping off pigment which then circulates through the front of the eye. Most this is an interesting anatomical happening but in some cases the pigment clogs the eye drains causing glaucoma.

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Last updated Sep 29, 2016

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