
Iritis - Symptoms and causes - Mayo Clinic
2019年11月13日 · Iritis (i-RYE-tis) is swelling and irritation (inflammation) in the colored ring around your eye's pupil (iris). Another name for iritis is anterior uveitis. The uvea is the middle layer of the eye between the retina and the white part of the eye.
Eye color - Wikipedia
Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
Is It Pink Eye or Something Else?
2024年12月3日 · The most common type of uveitis, called iritis, happens when the iris (the colored part of your eye) becomes inflamed. Uveitis can affect the front, middle or back of the eye. Symptoms include having red eyes (with or without pain), being sensitive to light, having blurry vision and seeing dark floaters in your field of vision. The symptoms may ...
Rare Human Eye Colors - Sciencing
2018年7月20日 · While most people have brown, blue, green or hazel eyes, rarer colors exist. There are people with red eyes, violet eyes and multicolored eyes, or heterochromia iridis. This condition can be present at birth or develop after disease or injury. Complete and partial heterochromia are also possible.
Iritis: Causes, Symptoms, Tests and Treatment - WebMD
Iritis is when your iris, the colored part of your eye, gets inflamed. It can be a serious problem, leading to vision loss and blindness.
What is the Rarest Eye Color? Debunking Myths - Vision Center
2024年10月9日 · According to scientists, all eyes are brown. However, light reflecting from the iris (colored part of the eye) causes eyes to appear colored. Some eye colors are common, while others are rare. Most people have come across brown and blue eyes (the most common eye colors). But what’s the rarest eye color? In this article, we examine:
Albino Eyes: Why Some People Have Bright Red or Pale Irises
2024年11月19日 · Why Do Albino Eyes Appear Red or Pale? The distinctive appearance of albino eyes—whether red, pink, or pale blue—is directly tied to the absence or reduction of melanin in the iris and other parts of the eye.
Iritis: Causes, Symptoms, Treatment, Care - Healthline
2021年9月28日 · Iritis, also called anterior uveitis, is inflammation of the colored part of your eye called the iris. It can also cause inflammation in the space between your iris and the outer layer of your...
Iris Color Change: Causes, Prevention, and When to See a Doctor
2020年2月14日 · The inflammation causes the covering of the eye (conjunctiva) to look red instead of white. The iris can also become stuck to the lens, causing it to change color. Uveitis requires immediate medical attention. If you notice iris color change along with eye pain, light sensitivity, and blurred vision, reach out to your doctor right away.
Common Causes of Red Eyes - Verywell Health
2025年1月31日 · If you have red eyes, causes may vary from allergies to an infection. Learn how to figure out the trigger, so you can relieve eye redness fast.