The 14 physicians and more than 100 staff of Columbia Eye Clinic welcome Joshua Nunn, M.D. to the practice.  Dr. Nunn specializes in Ophthalmic and Cataract Surgery and Comprehensive Ophthalmology.  His clinical interests include:  presbyopia and astigmatism correcting cataract surgery; laser assisted cataract surgery; medical and laser management of glaucoma; medical management of diabetic eye disease; and medical management of macular degeneration.  He sees patients at Columbia Eye Clinic’s three conveniently located offices in downtown Columbia, Northeast Columbia and Lexington.

Dr. Nunn completed his Residency at Penn State Hershey Medical Center and Lebanon Veterans Affairs Medical Center, Hershey, PA.  He earned an M.D. at University of Virginia, School of Medicine, Charlottesville, VA and completed his Internship at Pinnacle Health Internal Medicine, Harrisburg, PA.  He graduated with a B.A. from the University of Virginia, College of Arts and Sciences, Charlottesville, VA.  He is a member of the American Academy of Ophthalmology and American Medical Association.

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• A Cataract occurs when the eye’s lens becomes cloudy, causing vision to become blurry, cloudy or dim. While this happens in many people as they age, those with diabetes are more likely to develop cataracts than their peers without diabetes. Mild cataracts may be treated with eyeglasses, but once the cataract is advanced, it will require cataract surgery, in which the natural cloudy lens is removed and replaced with an artificial lens implant known as an intraocular lens or IOL.

• Glaucoma is a disease that damages the optic nerve and peripheral vision. The damage to the optic nerve is usually caused by elevated pressure in the eye. People with diabetes are also more likely to develop glaucoma, which rarely has any noticeable symptoms in its early stages. Glaucoma can be treated with medication such as prescription eye drops or with surgery, but will result in blindness if left untreated.

People with diabetes should get a dilated eye exam at the time of diagnosis and every year following.

Click the links below for more information and tips on preventing diabetes-related vision loss.
• Vision simulator that shows the impact of diabetic retinopathy
• Videos about dilated eye exams
• Tips to help prevent diabetes-related vision loss

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