Avoid processed foods: Outside junk food is usually processed and deep fried. Processed foods can affect our vision and overall health in the long term. Foods containing vitamin A, B, C are very effective to provide all the nutrients to our body. You can include foods like pecans, soy beans, apricots in your daily diet to increase the nutrition to your eyes.
3) Keep proper pH balance in the body: pH balance of our body is dependent on the equal amount of alkaline and acidic elements in the cells. To achieve this balance, one must avoid eating the food having too much acidity. The acidic food can hurt the muscles of our eyes. This is why we need to eat lots of fruits and vegetables to counter the effects of acidity in the body.
These are some of the few effective healthy eating habits which you can implement in your daily diet. There are few natural guides available on the internet which can provide you all the necessary diet changes and other techniques to improve your eyesight naturally within few days.