When Do Babies' Eyes Change Color? Understanding Infant Eye Color Development

Learn when and why babies' eye color changes, typically up to 9-12 months, due to melanin development influenced by light exposure.

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Babies’ eye color can change up until they are about 6 to 9 months old. This happens because newborns' eyes contain less melanin, and exposure to light gradually increases melanin production. If you notice their eyes changing shades, it’s perfectly normal. However, by around 12 months, a baby's eye color is typically set.

FAQs & Answers

  1. Why do babies' eyes change color after birth? Babies' eyes change color due to increasing melanin production in the iris, which develops as they are exposed to light after birth.
  2. At what age is a baby's eye color usually permanent? A baby's eye color typically becomes permanent by around 12 months of age.
  3. Can a baby's eye color change after 1 year? It's rare, but slight changes in eye color after 1 year can occur, though most major changes happen within the first 6 to 9 months.

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