What is your eye power? Good diet in terms of green leafy vegetables, carrots, and coloured foods like beetroot, papaya bell peppers are good.
Practise visual hygiene proper distance from reading material, restricting gadgets use, adequate lighting. Periodic eye testing, these are the general measures.
Next Steps
if you develop flashes of light, or black curtain in front of the eyes
Health Tips
avoid contact sports like football.