Food that you can eat: 1 . tuna 2 . salmon 3 . trout 4 . mackerel 5 . sardines 6 . anchovies 7 . Herring 8 . emons 9 . oranges 10 . grapefruits 11 . spinach 12 . kale 13 . Collards 14 . wearing sunglasses outside, as too much exposure to the sun can cause cataracts. A list of. 15 . quitting smoking 16 . regular eye examinations, especially if the family has a history of eye disease 17 . wear eye protection when working with objects that may irritate the eyes or harmful 18 chemicals 18 . washing hands before applying touches 19 . wear affected only for the time recommended by the doctor or manufacturer 20 . to protect the eyes from computer-related eye compression by looking at every 20 minutes for something 20 feet, 20 seconds