Apr 7, 2017 · People with brown eyes have a lower incidence of eye cancer, macular degeneration and diabetic retinopathy. Ophthalmologists are not exactly sure why, but believe that melanin pigment may give brown eyes more protection.

Feb 1, 2020 · A “bigger and badder” subtype of iris nevi is melanocytoma, said Dr. Shields. This tends to have a dark brown, homo-geneous appearance with a granular surface and often a little bit of seeding around it.

Dec 5, 2017 · Very simply, brown eyes have more pigment than blue eyes. And there are many shades of eye color in between. While you and a family member may share the same color eyes, how much melanin is in your iris and how it is distributed is unique to each person.

May 30, 2019 · Perhaps you have a white or blueish grey ring around your cornea that makes your iris, the colored part of the eye, appear lighter? Most people don't have multicolored eyes, but if you do here is what you should know.

May 2, 2023 · An actual eye color change can be harmless, or it can be a sign of a condition that needs treatment. Changes in eye color can be related just to the iris, or changes in other parts of the eye. Iris-related eye color changes include: Iris freckles are small brown spots on the surface of the iris that are often related to sun exposure. They're ...

Mar 11, 2021 · A brown spot on the eye is an abnormal brown growth on the eye, usually on the conjunctiva or iris. Brown Spot on Eye may be associated with: Nevus; Ocular Melanoma; See also: White or cloudy spot on the eye; Red or pink spot on the eye; Yellow spot on the eye; Colored spot on the eyelid

Dec 11, 2013 · Rarely, a Kaiser/Fleischer ring may occur on the cornea, making the underlying iris seem lighter in color. See your ophthalmologist for an accurate diagnosis. Answered By: Richard G Shugarman MD FACS

Nov 25, 2024 · Your eyes are delicate and can be easily harmed. Eye color-changing procedures are especially risky for two parts of the eye: Iris: the colored part of the eye; it controls the size of your pupil to let light in; Cornea: the clear dome covering the eye; it …

Apr 29, 2023 · Behind the anterior chamber is the eye’s iris (the colored part of the eye) and the dark hole in the middle called the pupil. Muscles in the iris dilate (widen) or constrict (narrow) the pupil to control the amount of light reaching the back of the eye.

Jun 16, 2023 · The front layer of the iris (called the stroma) can make eyes appear brown, hazel, blue or green. For people with brown eyes, some of the cells also have brown pigment in them. People with blue eyes have no pigment at all in this front layer, causing the fibers to scatter and absorb some of the longer wavelengths of light that come in. More ...