Most people have heard of cataracts or glaucoma, but macular degeneration is a leading cause of vision loss that often goes undetected until significant damage has occurred. In this interview, Dr Clarissa Cheng of Lumin Eye Specialists explains what the macula does, why its health matters, and what the early warning signs look like. She also walks through the difference between dry and wet AMD, who is most at risk, and what treatment options are available today — including a simple at-home test you can do right now to check your own central vision.