Light treatment to mark astigmatism axis

This study develops a formula to help surgeons correct astigmatism (blurred vision from curved corneas) during a laser eye surgery called LASEK. If you're eligible, your surgery may be more precisely tailored to your eye shape.

This study checks how accurately eye measurements describe astigmatism (a focus-bending problem) using different exam modes. It may help improve how doctors assess astigmatism after cataract surgery so treatment planning is more precise.

This study tests whether combining tiny corneal cuts with a special adjustable lens can better correct astigmatism (an irregularly shaped cornea) during lens replacement surgery. It may help people who need cataract surgery and have astigmatism achieve sharper vision without glasses.

This study is for people with cataracts who are planning to get treatment. It will observe your eye health and treatment process without giving you any new medicine.

This trial tests if small cuts in the cornea (the clear front part of the eye) can fix high astigmatism that remains after cataract surgery. It may help people who still have blurry vision from astigmatism after their cataract operation.

This study tests improved toric contact lenses—special lenses designed for people with astigmatism (blurred vision at all distances). Researchers want to optimize the lens design to help you see better and more comfortably.