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Definition:

Retinal detachment is a separation of the light-sensitive membrane in the back of the eye (the retina) from its supporting layers.



Causes, incidence, and risk factors:

The retina is a transparent tissue in the back of the eye. It helps you see the images that are focused on it by the cornea and the lens. Retinal detachments are often associated with a tear or hole in the retina through which eye fluids may leak. This causes separation of the retina from the underlying tissues.

Retinal detachment often occurs on its own without an underlying cause. However, it may also be caused by trauma, diabetes, an inflammatory disorder. It is most often caused by a related condition called posterior vitreous detachment.

During a retinal detachment, bleeding from small retinal blood vessels may cloud the interior of the eye, which is normally filled with vitreous fluid. Central vision becomes severely affected if the macula , the part of the retina responsible for fine vision, becomes detached.

The risk factors are previous eye surgery, nearsightedness , a family history of retinal detachment, uncontrolled diabetes, and trauma.



Symptoms:

Signs and tests:

Tests will be done to check the retina and pupil response and your ability to see colors properly. These may include:



Treatment:

Most patients with a retinal detachment will need surgery, either immediately or after a short period of time. (However, surgery may not be needed if you do not have symptoms or have had the detachment for a while.)

Types of surgery include:

  • Cryopexy (intense cold applied to the area with an ice probe) to help a scar form, which holds the retina to the underlying layer
  • Laser surgery to seal the tears or holes in the retina
  • Pneumatic retinopexy (placing a gas bubble in the eye) to help the retina float back into place

Laser surgey is performed after pneumatic retinopexy to permanently fix it in place. This is often done in a doctor's office.

More extensive detachments may require surgery in an operating room. Such procedures include:

  • Scleral buckle to indent the wall of the eye
  • Vitrectomy to remove gel or scar tissue pulling on the retina

See also: Retinal detachment repair



Support Groups:



Expectations (prognosis):

What happens will depend on the location and extent of the detachment and early treatment. If the macula has not detached, the results of treatment can be excellent. Most retinal detachments can be repaired, but not all of them.



Complications:

The unsuccessful reattachment of the retina results in loss of vision.



Calling your health care provider:

A retinal detachment is an urgent problem that requires medical attention within 24 hours of the first symptoms.



Prevention:

Use protective eye wear to prevent eye trauma. Control your blood sugar carefully if you have diabetes. See your eye care specialist at least yearly, especially if you have risk factors for retinal detachment.



References:

Costarides AP. Elevated intraocular pressure following vitreoretinal surgery. Ophthalmol Clin North Am. Dec 2004; 17(4): 507-12, v.

Fay A. Diseases of the Visual System. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 449.

Yanoff M, Duker JS, Augsburger JJ, et al. Ophthalmology. 2nd ed. St. Louis, Mo: Mosby; 2004:786-791.




Review Date: 8/6/2009
Reviewed By: Paul B. Griggs, MD, Department of Ophthalmology, Virginia Mason Medical Center, Seattle, WA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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Wentworth-Douglass Hospital
789 Central Avenue, Dover, NH 03820
Phone: (603) 742-5252
Toll free: 1 (877) 201-7100