No one has naturally black eyes. What appears to be black is actually a very dark brown due to heavy pigmentation. This is confirmed by multiple sources.
Understanding Eye Color
Eye color is determined by the amount and type of melanin in the iris. Melanin is a pigment that gives color to skin, hair, and eyes. Eyes with a high concentration of melanin appear dark brown, often mistaken for black.
- Dark Brown Eyes: These are the closest to what people perceive as "black eyes." The significant melanin concentration makes the iris appear very dark.
- Aniridia: This is a rare condition where the iris is underdeveloped or absent, making the eye appear black. However, this is not a natural eye color; it is a result of a genetic disorder. (Source: CooperVision, Quora)
Several sources explicitly state that true black eyes do not exist. (Source: Quora, Reddit) Even exceptionally dark brown eyes are still brown, just heavily pigmented. (Source: eyeXam Optometry, Quora)
The perception of black eyes stems from the high concentration of melanin, causing the iris to absorb almost all light.
Conclusion
While extremely dark brown eyes can appear black, true black eyes do not exist naturally. The condition known as aniridia may give the appearance of black eyes but this is a result of a chromosomal disorder.
