WebOcular melanocytosis (melanosis oculi) is a unilateral, congenital, pigmentary lesion that is a form of a blue nevus. The nevus is located in the deep episclera, sclera and uveal tract and can manifest clinically as iris heterochromia, patchy slate-gray or bluish discoloration of the sclera, and increased pigmentation of the ipsilateral fundus. WebThe iris is the colored part of the eye that surrounds the pupil. Your pupil is the small black opening in the center. The iris has two layers. Eye color results from the amount of pigment (melanin) you have in the front layer (stroma). Almost everyone (even people with blue or green eyes) has brown pigment in the back layer of the iris.

Heterochromia - American Academy of Ophthalmology

WebDec 5, 2024 · Iris heterochromia (different colored irides) may be seen in children with congenital Horner’s. Extraocular movements may be affected in lesions of the brainstem … WebMar 22, 2024 · Iris transillumination defects or iris heterochromia may be also be signs of a perforating injury. Using the entry point either at the cornea or sclera and the disruption point of the iris may help in localizing the IOFB by creating a trajectory path. cistern\u0027s w0

Heterochromia iridum - Wikipedia

WebMar 1, 2024 · It typically presents in immunocompetent patients as unilateral blurred vision, eye pain, and conjunctival injection; patients may also experience visual halos.[1] Most presentations of CMV AU have a more insidious onset and chronic course than HSV or VZV, which typically present more acutely.[5] WebNov 17, 2024 · Iris freckles are tiny, dark brown flecks on the surface of the colored part of the eye (iris). Like skin freckles, they are caused by a buildup of melanin pigment. They are harmless and usually do not develop into … WebHeterochromia is determined by the production, delivery, and concentration of melanin (a pigment). It may be inherited, or caused by genetic mosaicism, chimerism, disease, or … diana and john travolta