A little popular knowledge about ophthalmology

A little popular knowledge about ophthalmology. The eye is a very important organ. For many people, the principles of eye diseases are obscure and difficult to understand. When it comes to professional issues Just stay away. Now I will share with you some general knowledge about ophthalmology, let’s learn about it together. Popular knowledge about ophthalmology 1

1. Cataract = mist on the glass, just wipe it off

Cataract refers to the clouding of the lens in the human eye, which leads to decreased vision and eventually leads to Blind eye disease. For cataracts, ophthalmologists may compare it to this: cataracts are like dirty window glass in a room, preventing us from seeing the outdoors inside the house. Cataract removal by surgery means cleaning the fogged glass windows, and you can see!

2. Glaucoma = When the lake swells, blockage causes pain

Glaucoma refers to a condition in which the optic nerve is damaged under high intraocular pressure/normal intraocular pressure. .

Regarding glaucoma, ophthalmologists liken it this way: An eye with glaucoma is like a swollen lake. If the water flow is not dredged quickly, the pressure of the water will destroy the dam and threaten the safety of the eyes.

3. Laser myopia surgery = making a contact lens in the eye

The cornea is like a book, and the tissue inside the cornea is the inner pages of the book. During laser surgery, the outer cover of the book is lifted, a few inner pages are removed, and then the outer cover of the book is put back on, and the book returns to normal. "Lifting the outer cover of the book" is the process of making a corneal flap, and "removing the inner pages" is the process of laser cutting the cornea. When the corneal flap is reset (the outer pages of the book are restored), the gap left by the corneal tissue removed by the laser will , it will naturally form a pair of "contact lenses" to easily correct myopia! Popular Eye Science 2

How to protect the vision of your eyes

1. Use less electronic products

The popularity of electronic products has significantly increased the incidence of myopia. important factors. Normally, you should control the use of computers, mobile phones and other products, and take a break every half hour of use. Teenagers cannot use it for more than 1 hour in total every day.

2. Do not overuse your eyes

When we focus on reading and using electronic products with our eyes, it is easy for our eyes to tire, thereby increasing the risk of vision problems. Therefore, in daily work and study, you must make conscious adjustments and relax your eyes every 30-45 minutes.

3. Suitable environment

When studying or working with your eyes, you must ensure a suitable environment. It is very important that the light is sufficient but not dazzling. If you study or work in dim conditions, it is easy to cause visual fatigue.

4. Correct sitting posture

Correct sitting posture is very important for protecting eyesight. First, don’t get too close to the interface you’re reading. Secondly, you must keep your body straight and do not read or look at electronic products while lying down, lying down, walking, taking a bus, etc.

5. Eye exercises

Eye exercises help improve blood circulation in the eyes, thereby relieving eye fatigue and other problems. Regular eye exercises can help improve vision.

6. Eye hygiene

Pay attention to eye hygiene at ordinary times, do not rub your eyes with dirty hands, and do not wear contact lenses frequently to avoid problems such as keratitis and conjunctivitis. .

7. Pay attention to your diet

Eating more fruits and vegetables can help protect your eyesight. In addition, don't eat junk food, don't eat sweets with high sugar content, and don't drink sweet drinks, because too high blood sugar concentration can seriously damage your eyesight.

8. Outdoor sports

Spend enough time outdoors every day to relax your body and mind, improve blood circulation throughout your body, and protect your eyesight. For teenagers, it is best to have 2 hours of outdoor activities every day.

9. Adequate sleep

Going to bed early and not staying up late is also very important for protecting eyesight. People who often stay up late not only promote the overall aging of the body, but also put a heavy burden on the eyes.

10. Check your vision regularly

For the average person, it is necessary to check their vision every 6 months or every year, especially for teenagers, so that they can detect the problem of vision loss in time. , and then handle it promptly.