3.Cat Eye Syndrome
This disease can cause a notch or gap in parts of your eyes. Your doctor will call it a coloboma. When it affects your iris or pupil, your eye might look like a cat’s. You can also get colobomas in other organs and body parts. Most of the time they come from a problem in your genes that resut in changes during development and show up when you’re born. You may need a team of doctors to manage the different symptoms.
4.Optic Neuritis
It can strike anywhere between ages 20 and 40. About half the people who have it will get multiple sclerosis, a disease that attacks brain cells. It usually affects one eye. You could lose vision for a few hours or days or even months or lose a portion of yoir peripheral vision. You may have pain, blurry vision, and see flashing lights. Colors, especially red, might be less bright. Though it usually goes away on its own, the doctor can give you steroids to ease the inflammation and pain. Your eyesight should be back to normal within a year, but the condition can return.