Many beauty loving women like to wear contact lenses, and even many girls who are not short-sighted will wear no degree of beautiful pupil, so that their eyes appear "bright and moving". However, wearing contact lenses can increase the risk of eye infection, as well as corneal deformation, blurred vision, diplopia, refractive changes (such as difficult to correct astigmatism) and other conditions that affect vision. Therefore, be extra careful. Let's have a look.
Do not wear contact lenses in three situations
1. Not suitable for menstruation
This is because, during menstruation, women's intraocular pressure is higher than usual, and the eyeballs are more easily congested, especially for dysmenorrhea women. At this time, wearing contact lenses will have adverse effects on the eyeball. In addition, the immunity of women during menstruation is decreased, the resistance of Yanqing also decreases, and the secretion of tears is reduced, which may make the metabolites of bacteria deposit between the cornea and contact lenses, and have the risk of bacterial corneal ulcer.
2. Don't wear your eyes when you're out of time
Contact lenses should not be used when suffering from blepharitis, granuloma, entropion, dacryocystitis, insufficient tear secretion, dry eye, conjunctivitis, trachoma, keratitis, glaucoma, scleritis, iridocyclitis, etc.
3. Not everyone can wear it
Before wearing, you should go to the hospital for detailed eye examination. After routine examination, medical refraction, corneal curvature radius measurement and corneal fluorescein staining should be done.
Note: contact lens soaking solution should be changed every two days
Different brands and different types of care solutions can not be replaced or mixed, nor can they be cleaned with detergent, salt water or tap water. When cleaning the lens, use clean hands to rub for more than 30 seconds to achieve the cleaning effect. Contact lenses should not be immersed in liquid medicine for a long time, and should be replaced in two days to avoid bacteria breeding. Also pay attention to the replacement of new contact lenses and storage box.
Hazards of wearing contact lenses for a long time
1. Decreased eye resistance
Contact lenses will make the cornea unable to contact the air. The eyes will suffer from hypoxia, which is similar to the human body's "high altitude reaction", unable to metabolize normally and reduce the resistance.
2. Cause visual fatigue and dry eye
Wearing contact lenses for a long time may lead to visual fatigue and even dry eye. It can lead to acid itching, foreign body sensation, multiple eye excrement, dry and astringent feeling, burning eyes and blurred vision.
3. Cause eyeball allergy
Contact lenses absorb proteins, lipids and collagen in tears, which can deposit on the surface of lenses, breed bacteria, corneal edema, corneal neovascularization and allergic reactions.
4. Wear the cornea and cannot be corrected
Contact lenses wear the cornea, which may cause serious consequences of corneal epithelial detachment or perforation. The concavity of some contact lenses is inconsistent with the corneal convexity, which causes corneal ulcer and irreversible visual loss. Even after treatment, white spots will be left on the cornea.
5. Cause eye paralysis
Contact lenses attached to the eyeball for a long time will paralyze nerve endings, leading to corneal loss of consciousness. Many patients with ulcerative keratitis are still unconscious.
Wearing precautions
1. Cut your nails short and wash your hands thoroughly before wearing or operating lenses;
2. Operate and wear the lens on a clean and flat table to avoid the lens falling on the ground;
3. Before wearing the lens, carefully check the lens for damage, dirt and sediment. Do not wear if damaged. If there is dirt and sediment, it must be cleaned and washed before wearing;
4. Distinguish the front and back sides of the lens, so that the front side is up;
5. Clean, rinse, disinfect and store lenses according to the specified procedures. When cleaning, knead the front and back sides for 10 seconds, rinse the front and back sides for 5 seconds, and disinfect and soak for at least 4 hours;
6. After opening the bottle for use, the cover should be closed in time after each use. Do not touch the mouth of the bottle with your fingers. The nursing fluid should be used up within the specified time. If it is not used up, it should be discarded and replaced with fresh nursing fluid;
7. Try not to contact the lens with a stick or tweezers, so as to avoid damage beyond the reach of the naked eye due to excessive force;
8. Do not drop any eye drops when wearing contact lenses (except for the special eye drops for contact lenses). Otherwise, the components of the liquid medicine adsorbed on the lens will not only make the lens hard, but also damage the eye tissue due to the high concentration of liquid components retained in the lens;
9. If the lens is not used for a long time, it must be strictly cleaned, washed, disinfected, soaked in nursing solution, and stored at room temperature. The liquid medicine should be changed once a week. When wearing it again, it should be carefully cleaned, washed and disinfected;
10. After wearing the lens, rinse the lens box with fresh full-function nursing solution and dry it for standby;
11. Women who need make-up should wear contact lenses before make-up and take off contact lenses before removing make-up. Do not make cosmetics adhere to lenses;
12. The use of auxiliary tools such as tweezers and sticks is not recommended, because if the tweezers do not wrap the tip, it is easy to damage the lens, while the package of forceps and stick head is easy to be contaminated by bacteria and become a good culture medium for bacteria, thus polluting the lens and causing eye inflammation;
13. If the eyes have secretions, friction or conjunctival congestion, or even white spots on the cornea, never wear them reluctantly and go to the hospital immediately.
Precautions for cleaning contact lenses:
1. When cleaning the lens, first drop the contact lens solution on the lens and gently rub both sides of the lens with the index finger for 10 seconds. Do not touch the lens with your nails.
2. Rinse the lens with contact lens solution. Please follow the instructions and instructions on the package. After washing, put the contact lens in the cleaned lens case, and the lens must be completely soaked in the liquid medicine.
3. The service life of contact lens care solution after opening the bottle is generally 3-6 months, depending on the different care solution.
4. The mirror box should be washed every day and disinfected once a week. The maximum period of replacement is 3 months.
