BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuLaser photocoagulation - eyeLaser coagulation; Laser eye surgery; Photocoagulation; Laser photocoagulation - diabetic eye disease; Laser photocoagulation - diabetic retinopathy; Focal photocoagulation; Scatter (or pan retinal) photocoagulation; Proliferative retinopathy - laser; PRP - laser; Grid pattern photocoagulation - laser Laser photocoagulation is eye surgery using a laser to shrink or destroy abnormal structures in the retina, or to intentionally cause scarring. Description Your doctor will perform this surgery at an outpatient or office setting.Photocoagulation takes place by using the laser to create a microscopic burn in the target tissue. The laser spots are usually applied in 1 of 3 patterns.Before the procedure, you will be given eye drops to dilate your pupils. Rarely, you will get a shot of a local anesthetic. The shot may be uncomfortable. You will be awake and pain-free during the procedure.You will be seated with your chin in a chin rest. A special lens will be placed on your eye. The lens contains mirrors that help the doctor aim the laser. You will be instructed to look straight ahead or at a target light with your other eye. The doctor will aim the laser at the area of the retina needing treatment. With each pulse of the laser, you will see a flash of light. Depending on the condition being treated, there may be only a few pulses, or as many as 500. Why the Procedure Is Performed Diabetes can harm the eyes by causing diabetic retinopathy. It is one of the most common eye diseases that needs laser photocoagulation. It can damage the retina, the back part of your eye. The most severe form of the condition is proliferative diabetic retinopathy, in which abnormal vessels grow on the retina. Over time, these vessels can bleed or cause scarring of the retina.Diabetic retinopathyDiabetes can harm the eyes. It can damage the small blood vessels in the retina, the back part of your eye. This condition is called diabetic retin...Read Article Now Book Mark Article RetinaThe retina is the light-sensitive layer of tissue at the back of the eyeball. Images that come through the eye's lens are focused on the retina. Th...Read Article Now Book Mark Article In laser photocoagulation for diabetic retinopathy, laser energy is aimed at certain areas of the retina to prevent abnormal vessels from growing or shrinking those that may already be there. Sometimes it is done to make edema fluid in the center of the retina (macula) go away.This surgery may also be used to treat the following eye problems:Retinal tumor Macular degeneration, an eye disorder that slowly destroys sharp, central vision Macular degenerationMacular degeneration is an eye disorder that slowly destroys sharp, central vision. This makes it difficult to see fine details and read. The diseas...Read Article Now Book Mark Article A tear in the retina A blockage of the small veins that carry blood away from the retina A blockage of the small veinsRetinal vein occlusion is a blockage of the small veins that carry blood away from the retina. The retina is the layer of tissue at the back of the ...Read Article Now Book Mark Article Retinal detachment, when the retina in the back of the eye separates from the layers belowRetinal detachmentRetinal detachment is a separation of the light-sensitive membrane (retina) in the back of the eye from its supporting layers.Read Article Now Book Mark Article Risks Since each pulse of the laser causes a microscopic burn in the retina, you may develop:Mild loss of vision Reduced night vision Blind spots Reduced side vision Difficulty focusing Blurred vision Reduced color vision If not treated, diabetic retinopathy can cause permanent blindness. Before the Procedure Special preparations are rarely needed before laser photocoagulation. Usually, both eyes will be dilated for the procedure.Arrange to have someone to drive you home after the procedure. After the Procedure You vision will be blurry for the first 24 hours. You may see floaters, but these will subside over time. If your treatment was for macular edema, your vision may seem worse for a few days. Outlook (Prognosis) Laser surgery works best in the early stages of vision loss. It cannot bring back lost vision. However, it can greatly reduce the risk for permanent vision loss.Managing your diabetes can help prevent diabetic retinopathy. Follow your eye doctor's advice on how to protect your vision. Have eye exams as often as recommended, usually once every 1 to 2 years.DiabetesDiabetes is a long-term (chronic) disease in which the body cannot regulate the amount of sugar in the blood.Read Article Now Book Mark Article Protect your visionDiabetes can harm your eyes. It can damage the small blood vessels in your retina, which is the back part of your eye. This condition is called dia...Read Article Now Book Mark Article Eye examsDiabetes can harm your eyes. It can damage the small blood vessels in your retina, the back wall of your eyeball. This condition is called diabetic...Read Article Now Book Mark Article Open ReferencesReferencesAmerican Academy of Ophthalmology website. Diabetic macular edema: diagnosis and management. www.aao.org/eyenet/article/diabetic-macular-edema-diagnosis-and-management. Updated May 2021. Accessed May 19, 2022.Brownlee M, Aiello LP, Sun JK, et al. Complications of diabetes mellitus. In: Melmed S, Auchus RJ, Goldfine AB, Koenig RJ, Rosen CJ, eds. Williams Textbook of Endocrinology. 14th ed. Philadelphia, PA: Elsevier; 2020:chap 37.Flaxel CJ, Adelman RA, Bailey ST, et al. Diabetic retinopathy preferred practice pattern. Ophthalmology. 2020;127(1):P66-P145. PMID: 31757498 pubmed.ncbi.nlm.nih.gov/31757498/.Lim JI. Diabetic retinopathy. In: Yanoff M, Duker JS, eds. Ophthalmology. 5th ed. Philadelphia, PA: Elsevier; 2019:chap 6.22.Mathew C, Yunirakasiwi A, Sanjay S. Updates in the management of diabetic macular edema. J Diabetes Res. 2015;2015:794036. PMID: 25984537 pubmed.ncbi.nlm.nih.gov/25984537/.Wiley HE, Chew EY, Ferris FL. Nonproliferative diabetic retinopathy and diabetic macular edema. In: Schachat AP, Sadda SVR, Hinton DR, Wilkinson CP, Wiedemann P, eds. Ryan's Retina. 6th ed. Philadelphia, PA: Elsevier; 2018:chap 50.AllVideoImagesTogRelated Information Review Date: 2/17/2022 Reviewed By: Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. 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. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- © 1997- All rights reserved. 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