Heterochromia Iridis Syndrome: Partial, Central & Complete Eyes
2023年5月9日 · Central heterochromia: This type is characterized by the center of the iris being a different color than the outer part of it (i.e. the center of the iris is brown while the outer part is green). How rare is heterochromia iridis? Heterochromia can …
Heterochromia iridum - Wikipedia
Heterochromia of the eye is called heterochromia iridum or heterochromia iridis. It can be complete, sectoral, or central. In complete heterochromia, one iris is a different color from the other. In sectoral heterochromia, part of one iris is a different color from its remainder.
Central Heterochromia: Definition, Causes, and Types - Healthline
2024年7月1日 · Central heterochromia causes a ring of one different color around the border of your pupil. If you have hazel eyes, it means your eyes contain colors that may appear different depending on the...
Heterochromia: Causes, Types, Risk Factors, and Treatment - WebMD
2023年10月26日 · Central heterochromia This type is when the outer ring of your iris is a different color from the rest. When you have central heterochromia, you have one distinct color around your pupil...
Heterochromia - American Academy of Ophthalmology
2024年4月17日 · When part of one iris is a different color than the rest of it, this is called partial heterochromia. Central heterochromia is when there is an inner ring that is a different color than the outer area of the iris. But what causes heterochromia and should people with the condition be concerned? Heterochromia Causes
Central heterochromia (two different eye colors): Causes and types
2023年6月23日 · Central heterochromia refers to a combination of colors in one eye, and occurs due to uneven distribution of melanin. Eye color is a result of melanin deposits in the iris, which is the part of...
Central Heterochromia (2 Eye Colors): Causes & Treatments
2024年9月24日 · Central heterochromia is when one eye contains multiple pigments. It can cause a color abnormality that stems from the pupil at the center of the eyes, like cat eyes. An uneven distribution of melanin in your iris can cause this condition.
虹膜異色症 - 维基百科，自由的百科全书
虹膜異色症，謬稱異色瞳（英語： Heterochromia iridum），是一種身體異常狀況，指兩眼的 虹膜 呈現不同顏色的性狀。 眼睛 的顏色，特別是虹膜的顏色，是由虹膜組織的 色素 沉淀及分佈決定的；因此，在形成過程中，任何因素影響以上的色素分佈，就會造成眼睛顏色的不同。 有此狀況的人或動物，會可能有以下其中一種情況出現： 兩隻眼睛的虹膜有着不同的顏色。 眼睛會在同一片虹膜出現多於一種顏色。 虹膜異色症的出現，可以分成先天和後天兩方面。 先天方面，主要是 …
Heterochromia - StatPearls - NCBI Bookshelf - National Center …
2023年6月25日 · Heterochromia or heterochromia iridum indicates a difference between the color of the two irises. It usually involves the whole iris and can less commonly affect only part of the iris (sectoral heterochromia). It is an often under-recognized sign of both systemic and ocular congenital or acquired diseases.
Heterochromia: Causes & Types - Cleveland Clinic
2023年6月28日 · Central heterochromia: One iris has an inner ring that’s a different color from the rest. This may look like spikes extending outward from the pupil. What causes heterochromia? Causes of heterochromia include: Genetic mutations that only affect eye color (and which are harmless). Congenital (present from birth) or acquired conditions.