My eyes constantly change between gray and green and blue theyre blue most of the time but every now and then they stay green or gray for an entire week Why does this happen?

Answer 1

While changes in eye color of infants are more common, even in adults, eye color changes are seen, most often as a result of exposure to the sun. Sunlight triggers melanin production in the eye, as it does to the skin.

Answer 2

This could be due to a phenomenon called heterochromia, where a person's eyes have different colors or can change colors. This can occur due to variations in the amount and distribution of melanin in the iris. It is generally harmless but can be influenced by genetics, eye trauma, or certain medical conditions.