Best for eyes: wear good sunglasses in sun, goggles when doing anything that makes chips, dust or sparks; avoid over-drying (drink water, eat plenty of healthy oil) & remember to blink.
Staring at screens reduces blinking in a way that books do not.If you eat a good diet
, you don't need more than rda dose of vitamin a
, d&e unless your eye
doc says so. See eye doc yearly for pressure check after 40.