In order to make the eyes become clear and bright, you can maintain correct eye habits, visual training, improve lifestyle habits and other measures. 1. Maintaining correct eye habits: Usually, the distance and time of eye use should be controlled, and it is recommended to maintain the habit of resting for 5-10 minutes after 35-45 minutes of eye gaze, and at the same time, you can do standard eye exercises to relax the eye muscles. 2. Visual training: You can train your eye muscles by gazing at objects moving in the distance, gazing upwards or rotating your eyeballs to make your eyes look sharp. 3. Improve lifestyle habits: Ensure adequate sleep, eat a balanced diet, and eat more eye-friendly foods such as carrots, blueberries, egg yolks, etc., and less unhealthy foods such as fried foods and sweets. If there is a long-term lack of vision or other abnormalities, it is recommended to consult a doctor as soon as possible to find the cause of the disease so as not to delay the condition.