How Does an Eye Exam Help You Understand Your Retina?  

Your retina is a vital part of your eye that plays a crucial role in how you see the world. Located at the back of your eye, this thin layer of tissue captures light and sends signals to your brain, allowing you to process images. Because the retina is so important to vision, any damage […]

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Chang Sup Lee, M.D.

PEI Doctor

Chang Sup Lee, M.D. is a board-certified ophthalmologist specializing in the medical and surgical management of vitreoretinal diseases. His expertise includes age-related macular degeneration, diabetic retinopathy, retinal vascular occlusions, retinal tears, retinal detachments, epiretinal membranes, macular holes, inherited retinal diseases, and ocular inflammation. At Pacific Eye Institute in Upland, Dr. Lee offers comprehensive retina services […]

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