Dr. Na performing cataract surgery Cataracts are an extremely common part of aging, but deciding when to have cataract surgery isn't always obvious. Some people have cataracts for years with only minor changes in vision, while others begin having difficulty driving, reading, or performing everyday activities. At NOVA Advanced Eyecare, one of the most common questions we hear is: “How do I know when my cataract is bad enough for surgery?” The answer usually depends less on how