1. Eat a lot of vegetables 2. Avoid wearing contact lenses for long hours(>15) 3. Put cold cucumber on your eyelids 10 minutes before going to sleep to prevent puffiness. 4. Use UV protection sunglasses when you step out in the sun. 5. Avoid sitting in front of the computer for long hours. This may lead to dry eyes and strain. 6. Never read in dim light. This may cause permanent damage to your eyes. 7. Avoid looking at the bright light, like sun, as it can damage your eyes permanently.
Yes, the greens are supposed to be good for eyesight.
Drink 12 glass of water, and wash your eyes twice or thrice time in aday with plain cold water.