The medical word for a decreased level of melanin in the iris is albinism.
Melanin in the iris gives eyes their color. If you have a lot of melanin in your iris, your eyes would likely be brown.
Iridocele is herniation of the iris.
Iritis is the medical term meaning iris pain. It is an inflammation of the iris that can cause pain, sensitivity to light, and redness in the eye. Treatment usually involves anti-inflammatory medications or steroid eye drops.
Iritis is the medical term meaning inflammation of the iris.
Melanin.
Heterochromia is the condition of two colors, especially of the iris.
Melanin. Color is caused by the amount and type of pigment in the iris of the eye.
Melanin.
A synechia is an adhesion binding the iris to an adjacent structure.
iridectomy
Eye color in humans is primarily determined by genetics, specifically the genes that control the production and distribution of melanin in the iris. The amount and type of melanin present in the iris determines the color, with more melanin resulting in darker colors like brown and less melanin resulting in lighter colors like blue.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.