Melanin is crucial to the eye as it protects against damage from ultraviolet (UV) light and reduces glare by absorbing excess light, which helps improve visual clarity. It is also involved in the development and function of the retina, particularly in the pigment epithelium, where it plays a role in nutrient transport and waste management. Additionally, melanin helps to shield the eye from oxidative stress and may reduce the risk of certain eye diseases. Overall, it contributes to overall eye health and optimal vision.
Melanin. The amount and type of pigment in the iris of the eye gives the eye it's color.
The eye color gene encodes for a protein called OCA2 (P gene), which helps determine the amount of melanin produced in the iris. Melanin is responsible for the color of the eyes, with more melanin resulting in darker eye color.
Melanin.
Melanin.
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The "nucleus" of the eye that you're referring to is called the iris. Its color depends on the amount of melanin you have. The lighter your eyes are, the less melanin you have. The darker your irises are, the more melanin you have.
The level of melanin in the eye changes.
Melanin.
Melanin.
Melanin.
The amount of melanin in each eye is different.
The color of the iris in the human eye is determined by the amount and distribution of melanin, a pigment that gives color to the skin, hair, and eyes. More melanin leads to darker eye colors like brown, while less melanin results in lighter eye colors like blue or green.