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JAMA Patient Page |

Retinopathy FREE

Janet M. Torpy, MD, Writer; Tiffany J. Glass, MA, Illustrator; Richard M. Glass, MD, Editor
JAMA. 2005;293(1):128. doi:10.1001/jama.293.1.128.
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Published online

The retina lines the back two thirds of the eye and is responsible for receiving visual images. Retinopathy means disease of the retina. There are several types of retinopathy but all involve disease of the small retinal blood vessels. Signs of retinopathy (see photograph) can be seen when the retina is viewed through the pupil with an ophthalmoscope. The January 5, 2005, issue of JAMA includes an article about retinopathy as an early sign of cardiovascular disease.


Hypertension (high blood pressure) and vascular (blood vessel) diseases can affect the small blood vessels of the retina just as they can affect other blood vessels. Retinopathy may therefore be an indicator of vascular damage elsewhere in the body. Visual changes sometimes develop due to advanced retinopathy and may be a sign of undiagnosed or poorly controlled hypertension. Although rare, blindness may occur.


The most common type of retinopathy is related to diabetes. Diabetic retinopathy can be proliferative (growing) or nonproliferative (not growing) regarding the growth of abnormal blood vessels in the retina. Nonproliferative retinopathy is much more common and usually requires no treatment. In proliferative retinopathy, abnormal blood vessels start to grow when the existing blood vessels close off. The proliferative type of retinopathy can lead to impaired vision. Regular eye examinations are important to check for progression of retinopathy from nonproliferative to proliferative stages.


Preventing retinopathy starts with early diagnosis and treatment of conditions that cause retinopathy. For persons with diabetes, good control of blood glucose levels, proper control of high blood pressure, and regular medical examinations are crucial to preventing retinopathy. Persons with diabetes should have an annual eye examination including pupil dilation for the best possible view of the retina. Good blood pressure control is essential for anyone with hypertension. Individuals with eye disorders or other health problems that put them at risk for visual impairment should see an ophthalmologist (doctor with specialized education for diagnosis and treatment of eye diseases). Once retinopathy is detected, early treatment is essential to prevent blindness. Several forms of treatment are available for persons with proliferative retinopathy.


  • Blurry vision

  • Double vision

  • "Floaters" or spots in vision

  • Eye pain and redness that does not resolve

  • Decreased peripheral vision



To find this and previous JAMA Patient Pages, go to the Patient Page link on JAMA's Web site at http://www.jama.com. A Patient Page on causes of visual impairment was published in the October 15, 2003, issue.

Sources: American Diabetes Association; National Eye Institute; National Heart, Lung, and Blood Institute; National Diabetes Education Program; American Heart Association

The JAMA Patient Page is a public service of JAMA. The information and recommendations appearing on this page are appropriate in most instances, but they are not a substitute for medical diagnosis. For specific information concerning your personal medical condition, JAMA suggests that you consult your physician. This page may be photocopied noncommercially by physicians and other health care professionals to share with patients. Any other print or online reproduction is subject to AMA approval. To purchase bulk reprints, call 718/946-7424.




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