Many people have astigmatism, an irregular curvature of the eye's surface that can cause blurred vision. Treatments include corrective lenses and laser surgery.
Think LASIK might free you from glasses? Here's help understanding whether the procedure makes sense for you.
With farsightedness (hyperopia) you can see objects in the distance clearly, but objects nearby are blurry. It's easily corrected with eyeglasses or contact lenses.
Nearsightedness allows you to see objects near to you clearly, but objects farther away look blurry. It's easily corrected with eyeglasses or contact lenses.
Presbyopia is an age-related change in vision that usually makes it difficult to focus and see things close up. Several treatment options are available.
Feb. 25, 2014
- Bower KS. Laser refractive surgery. http://www.uptodate.com/home. Accessed July 15, 2013.
- LASIK — Laser eye surgery. American Academy of Ophthalmology. http://www.geteyesmart.org/eyesmart/glasses-contacts-lasik/lasik.cfm. Accessed July 15, 2013.
- Bastawrous A. Laser refractive eye surgery. British Medical Journal. 2011;342:d2345.
- Yanoff M, ed., et al. Ophthalmology. 3rd ed. Edinburgh, U.K.: Mosby Elsevier; 2009. https://www.clinicalkey.com. Accessed July 15, 2013.
- When is LASIK not for me? U.S. Food and Drug Administration. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/SurgeryandSurgeryandL/LASIK/ucm061366.htm. Accessed July 15, 2013.
- What should I expect before, during, and after surgery? U.S. Food and Drug Administration. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/SurgeryandLifeSupport/LASIK/ucm061270.htm. Accessed July 15, 2013.
- Robertson DM (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 5, 2013.