Eyes aren't just the window to your soul—they also offer a glimpse into your health. Changes in your eyes can signal vision problems, diabetes, stress, even retinal detachment. What's more, most of these you can actually see for yourself—assuming you know what to look for. We spoke to Natasha Herz, M.D., clinical spokesperson for the American Academy of Ophthalmology, about what your eyes reveal about your health, and how you know it's time to visit your doctor.More
Do you wear contact lenses instead of glasses? Watch out for white spots on your cornea (that clear layer over the front of your eyeball). This is "quite common among people who wear contact lenses," Dr. Herz says, and can be a sign of a corneal infection.