If you've ever taken a picture of your baby or toddler – and let's be real, you've taken many – you've probably noticed ...

Please provide your email address to receive an email when new articles are posted on . Leukocoria can appear in photos taken with a flash. Sometimes leukocoria ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...