It is estimated that only 2% of the world’s population have green eyes, making it the rarest eye colour in the world. People with green and other light-colored eyes tend to have a higher eye cancer risk, specifically intraocular melanoma. When people have green eyes, they are usually not apparent until the person is at least 6 months old. Green-eyed people are typically born with blue or gray eyes that eventually transition to green.
Green eyes are sometimes confused with hazel eyes, which have both brown and green in them. To tell the difference, go into natural lighting (outside during the day), and look at your eyes compared with someone you know to have green, hazel, or brown eyes. The difference should be clear between them.
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