Understanding Eye Health: The Distinct Differences between Glaucoma and Cataracts When it comes to eye health, two of the most recognized eye conditions that people often hear about are glaucoma (a condition affecting the optic nerve) and cataracts (a condition that clouds the eye’s lens). Both significantly impacts vision, but http://We ran into a problem. If you're in private mode (incognito), switch to regular browsing or try again later.