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Explore Membrane Ppm, Fetal Membrane, and more!

Whoa. Persistent pupillary membrane (PPM) is a condition of the eye involving remnants of a fetal membrane that persist as strands of tissue crossing the pupil.

Laser peripheral iridotomy (LPI). The laser treatment for acute angle closure glaucoma creates a small hole in the iris (arrow) that is visible with an eye examination.

Melanosis bulbi or melanosis oculi has maplike pigment areas in the sclera. These pigmented areas do not reach the limbus. The iris is usually heavily pigmented with melanosis bulbi/melanosis oculi. 90% of the cases are unilateral.Usually the function of the eye remains normal. Occasionally a malignant change may occur.