Eat vitamin A, which is part of the visual pigment rhodopsin. Have a well-lit work area. Protect bright lamps with a shade. Do not read in moving vehicles. The distance from the eyes to the book should be 35–40 cm, you cannot read lying down. Limit the time you watch TV, work on your computer. Use protective goggles for welding and other work hazardous to the eyes. Protect eyes from foreign bodies and chemicals.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.