This principle is to help people relieve eye fatigue and discomfort caused by long-term close-up use of eyes. Specifically, close eye use includes activities such as watching mobile phones, reading books, doing homework, doodling, and having fun. When using your eyes at close range, you should pay attention to maintaining the correct posture and distance to avoid excessive or long-term continuous use of your eyes.
When using electronic equipment, such as mobile phones, computers, etc. It is suggested to take a rest every 20 minutes to relieve eye fatigue by looking at the distance, closing your eyes and doing eye exercises. In addition, diet is also the key to protect your eyesight. It is suggested to eat more foods rich in vitamins A, C, E, folic acid and other nutrients to promote the health of retina and optic nerve.
The eye consists of the eyeball and its accessory structures. The eyeball is the main part of the visual organ, which has two functions: refractive imaging and light sensing. The auxiliary parts of the eye include eyelid, conjunctiva, lacrimal apparatus, eye muscle, fascia and orbital fat. , can protect, exercise and support the eyeball. The improvement of the structure of each part of the eye is of great significance to the completion of the visual function of the eye.
Although the surface area and volume of eyes are small, their functions are very important to life and labor. The eyes are a part of the body, and many systemic diseases can be manifested in the eyes. In order to "capture" the information of light, the eye must be exposed to the body surface, which increases its chances of being attacked by trauma and external pathogens. Eye diseases will eventually affect visual function.
Advice for healthy eyes:
1, keep the correct eye posture and distance. When reading books, using computers, mobile phones and other electronic devices, it is generally recommended to keep an appropriate distance between eyes and objects, 50-70 cm away from the screen. At the same time, we should maintain the correct sitting and standing posture, and avoid bowing our heads or exerting too much force for a long time.
2. Regular eye examination. For the elderly and people with eye diseases, regular eye examinations should be carried out to find and deal with potential eye problems in time.
3. Keep adequate sleep and nutrition. Lack of sleep and malnutrition will affect the health of eyes. Adults are advised to sleep for 7-8 hours every night and get enough nutrients such as protein, vitamins and minerals.
4. Avoid prolonged exposure to the sun or the use of irritating substances. Exposure to the sun for a long time or the use of irritating substances, such as chemicals and cosmetics, will cause harm to the eyes.
5. Control the use time of electronic equipment. Long-term use of electronic equipment can lead to eye fatigue and dry eye. It is suggested to take a rest every 20 minutes to relieve eye fatigue by looking at the distance, closing your eyes and doing eye exercises.