10_fair_hair_292329698.jpg

 / Shutterstock

Older people have vision problems mostly because of age-related macular degeneration (AMD), which is when the center of the retina deteriorates. Studies have shown evidence that having light eyes doubles the risk of developing the condition. More research is needed to confirm a connection, but doctors point out the fact that AMD is more common among Caucasians, who are more likely to have bright eyes.