In-depth

Symptoms

Poor color vision

Poor color vision — sometimes called colorblindness — means you can't distinguish between certain shades of color. An eye doctor can quickly detect this deficiency.

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Treatments and drugs

Cataract surgery

Cataract surgery successfully restores vision in an overwhelming majority of cases. Find out what cataract surgery involves, including what to expect afterward and rare complications.

Aug. 31, 2016
References
  1. Jacobs DS. Cataract in adults. http://www.uptodate.com/home. Accessed May 19, 2016.
  2. Cataract. American Optometric Association. http://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/cataract?sso=y. Accessed May 19, 2016.
  3. Facts about cataract. National Eye Institute. https://nei.nih.gov/health/cataract/cataract_facts. Accessed May 19, 2016.
  4. Longo DL, et al., eds. Disorders of the eye. In: Harrison's Principles of Internal Medicine. 19th ed. New York, N.Y.: McGraw-Hill Education; 2015. http://accessmedicine.com. Accessed May 19, 2016.
  5. Riordan-Eva P, et al. Lens. In: Vaughan & Asbury's General Ophthalmology. 18th ed. New York, N.Y.: The McGraw-Hill Companies; 2011. http://www.accessmedicine.com. Accessed May 19, 2016.
  6. Who is at risk for cataracts? American Academy of Ophthalmology. http://www.aao.org/eye-health/diseases/cataracts-risk. Accessed May 19, 2016.
  7. Cui YH, et al. Association of blood antioxidants and vitamins with risk of age-related cataract: a meta-analysis of observational studies. The American Journal of Clinical Nutrition. 2013;98:778.