Understanding Eye Health: The Distinct Differences between Glaucoma and Cataracts When it comes to eye health, two common conditions that people often hear about are glaucoma and cataracts (a condition that clouds the eye’s lens). Each condition has a noticeable impact on vision, but they differ in how they develop, http://We ran into a problem. If you're in private mode (incognito), switch to regular browsing or try again later.