This prevents light from focusing evenly on the retina.
Astigmatism can cause blurry or distorted vision, headaches, and eyestrain.
With astigmatism, you may see more glare around lights at night, which can cause difficulty driving.
P. Lujan / Flickr / CC BY-ND 2.0
If you have astigmatism, the cornea or lens is irregularly shaped.
Instead of a round surface, it may be shaped more like a football.
This shape prevents light from focusing correctly on the retina, causing blurry and distorted vision.
They can do aneye examto see if your problems are due to astigmatism or some other eye condition.
This can improve your view and reduce the chance of glare from lights.
Frequently Asked Questions
No, but it may seem like it.
Astigmatism happens when the cornea is irregularly shaped, preventing light from focusing evenly on the retina.
This can cause distorted vision and glare around lights.
While astigmatism does not worsen at night, lights make it harder to see clearly after dark.
Yes, prescription eyeglasses or contact lenses can correct astigmatism.
Cylinder refers to the lens power added to correct astigmatism and account for the misshapen curvature of the eye.
Yes, laser eye surgery can correct astigmatism by reshaping the cornea to be more spherical.
This can permanently correct the problem and eliminate the need for glasses or contacts for most people.
American Academy of Ophthalmology.Eye health statistics.
2019;137(10):1147. doi:10.1001/jamaophthalmol.2019.2893
Rauch K.Night driving glasses may hurt, not help.
American Academy of Opthalmology.
Jan. 30, 2018.
Massachusetts Eye and Ear.7 tips for seeing clearly while driving at night.
Harvard Medical School Teaching Hospital.
September 17, 2018.
American Automobile Association.What to do about cloudy headlights.
