If you don't always pay attention to some small details, wearing contact lenses can easily cause eye discomfort and even affect eye health. Experts pointed out that contact lenses belong to medical supplies, and they can only be worn after being examined and carefully evaluated by professional doctors. They can't be bought casually, otherwise improper use will cause the risk of various related complications.
The vision correction effect of high myopia and high astigmatism contact lenses is better than ordinary glasses, and the field of vision is not limited by the frame, but it is not suitable to wear them for too long, because if you wear contact lenses for a long time every day and stay in an air-conditioned environment for a long time, dry eyes and fatigue are inevitable. Besides blinking more and taking more rest, try not to wear contact lenses made of ordinary hydrogels for more than 12 hours continuously, and don't take a nap or sleep without glasses at night.
In the choice of contact lenses, rigid high oxygen permeability lenses are not easy to cause eye allergy and inflammation because they do not absorb the lipids in tears, protein and dust in the air. Moreover, hard lenses have a longer life span and can be used for 3-5 years. However, the disadvantage is that the wearer has a long adaptation period, foreign body sensation, and the lens is easy to slip off, which is not suitable for sports. In addition, disposable contact lenses are cheap, convenient and hygienic, especially suitable for allergic people.
Precautions for wearing contact lenses:
1. Before wearing or operating lenses, cut your nails and wash your hands thoroughly;
2. Operate and wear the lens on a clean and flat desktop to prevent the lens from falling off the ground;
3. Before wearing the lens every time, carefully check the lens for damage, dirt and sediment. You can't wear it if it's damaged. If there are stains and deposits, be sure to clean and rinse them before wearing them;
4. Distinguish the front and back of the lens so that the front can be worn upwards;
5. Wash, rinse, disinfect and store the lenses according to the prescribed procedures. Pay attention to rubbing the front and back sides 10 second, washing the front and back sides with water for 5 seconds, and disinfecting and soaking for at least 4 hours;
6. After opening the bottle, cover the lid tightly every time you use it. Don't touch the bottle mouth with your fingers. The nursing solution should be used up within the specified time. If it is not used up, it should be discarded and replaced with fresh nursing solution.
8. Don't drop any eye drops when wearing contact lenses (unless they are special eye drops for contact lenses), otherwise the components of liquid medicine will be adsorbed on the lenses, which will not only make the lenses turbid and hard, but also damage the eye tissues with high concentration of liquid medicine components stuck in the lenses;
9. If the lens is not used for a long time, it must be strictly cleaned, rinsed, disinfected, soaked in nursing solution, stored at room temperature and replaced once a week. When wearing it again, it should be carefully cleaned, rinsed and disinfected;
10. After putting on the lens, clean the lens box with fresh all-functional nursing solution and dry it for later use;
1 1. Ladies who need makeup should wear contact lenses before makeup, and take off their contact lenses before makeup removal to prevent the cosmetics from sticking to the lenses;
12. It is not recommended to use tweezers, sticks and other auxiliary tools, because if tweezers don't wrap the tip, it is easy to damage the lens, and the package of tweezers and sticks is easy to be contaminated by bacteria, which becomes a good culture medium for bacteria, thus polluting the lens and causing eye inflammation;
13. If there are secretions, friction or conjunctival congestion in the eyes, or even white spots on the cornea, don't wear it reluctantly. Go to the hospital immediately.
14. It is suggested that traditional lenses should not be worn for more than one year, and should be replaced in time according to the specific conditions of the lenses during the use period.
15. Soft contact lens can correct mild astigmatism, and astigmatism contact lens is the first choice for high astigmatism.
16. Any lens must be cleaned and disinfected before wearing. Remember to wash your hands and get a manicure.
17. Try not to touch the lens with a stick or tweezers, so as to avoid damage that cannot be touched by the naked eye due to excessive force.
18. Take the cup away from the table in case it falls to the ground.
19. Don't use any eye drops when wearing colored contact lenses.
20. Please don't soak the glasses with liquid other than nursing liquid.
2 1. Contact lenses should not be used with others.
22. Eyes need to be checked at least once every six months.
23. If you don't wear it for a long time, you need to change the nursing solution once a week.
24. The nursing solution should be soaked for at least 4 hours to play a nursing role.
25. Every time you care, you need to rub both sides 10 second, and then rinse both sides with nursing liquid for 5 seconds.
References:
Contact lenses-Baidu Encyclopedia