Pigment dispersion syndrome (PDS) happens when the pigment rubs off the back of your iris. This extra pigment floats around in other parts of the eye, besides the iris, where it is supposed to be. This can cause eye pressure problems and lead to pigmentary glaucoma.

If you have PDS, you should see your ophthalmologist regularly. He or she can make sure it isn’t causing damage and progressing to pigmentary glaucoma. Some people with PDS need to be treated with eye drops, laser therapy or surgery.