Visual distortions can affect your ability to see normally. Often called visual disturbances, they can cause changes in ...

The eye acts like a camera, capturing light through the front surface (the cornea) and focusing it onto the "film" at the back of the eye (retina). To get a clear picture, the eyeball and all of its ...

Blurred vision is normal for a few days after surgery. However, several factors may cause ongoing blurriness that could require medical treatment, such as retinal detachment. A cataract is a cloudy ...

Astigmatism occurs when the eye is shaped more like an oval than a sphere, which distorts the light that enters causing blurry vision. Astigmatism is fairly common, affecting about one in three ...

Flora Hui works part-time in private practice as an optometrist. Angelina Duan works in private practice as an optometrist. The eye acts like a camera, capturing light through the front surface (the ...