Waking up with hazy or blurry vision can be unsettling, especially when reading, recognizing details, or seeing clearly in low light has gradually become more difficult. After age 60, one possible explanation is a cataract , a common age-related change in which the eye's natural lens becomes increasingly cloudy. Cataracts usually develop gradually, and their effects can range from mild haziness to significant difficulty with reading, glare, and nighttime driving. Online posts sometimes suggest that a spoonful of a colorful powder or homemade mixture before bed can make vision clearer by morning. It is an appealing idea—but cataracts do not disappear overnight. A bedtime food routine can still be worthwhile. The key is to use it as a convenient way to improve overall nutrition , rather than as a treatment for cataracts. What Happens to the Eye When a Cataract Develops? Behind the colored part of the eye sits a transparent natural lens. Its job is to focus incoming light so t...