Detecting Irregular Astigmatism or Other Abnormalities. Corneal topography, especially photokeratoscope view and tangential map, plays a critical role in the detection of corneal irregular ...

With increasing demands of patients concerning refractive outcome after cataract surgery, toric IOLs that correct corneal astigmatism have been introduced more widely to cataract surgery.

Astigmatism occurs when the cornea or lens has an irregular curvature, making it harder for light to focus correctly on the retina. Doctors don't know exactly why the shape of the cornea or lens ...

Your eyes are your windows to the world. Learn how to maintain your eye health and what to expect from exams and treatments for common vision problems.