Astigmatism is a common eye condition where the cornea (outermost eye layer) is irregular. The cornea is usually round like a sphere, but people with astigmatism have oval-shaped corneas. This shape ...

Both astigmatism and myopia are issues that can affect a person’s vision. While they have similar symptoms and treatments are largely the same, they are distinct ocular conditions. Astigmatism and ...

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 ...

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 ...