Contact lenses belong to the three types of medical devices, in the use of very particular attention, if you do not comply with the wearing taboo, the same as vulnerable eyes exposed to danger. The following list of contraindications, like to wear contact lenses you know?
1.Minors and the elderly should not wear contact lenses. In minors, the optic axis of the eyeball has not been finalized yet. Early contact with contact lenses will not only affect the development of the eye, but also lead to problems such as corneal hypoxia and physiological and metabolic disorders. However, the eye tissues of the elderly gradually deteriorate, and their tolerance and resistance have declined, so they are not suitable for wearing contact lenses.
2.Do not wear contact lenses while sleeping. Whether the eye is open or closed, the cornea needs enough oxygen to breathe. The use of contact lenses with high oxygen penetration can avoid the obstruction of the lens to oxygen, but it is still important not to wear for too long.
3.Do not wear contact lenses when you have a cold or fever. Tears play a lubricating role between the cornea and the lens. When the tear secretion is reduced, the friction on the cornea will be aggravated, which is very easy to cause tissue damage, and may also cause bacterial corneal ulcers.
4.Contact lenses cannot be swapped with other people. Everyone's eyes are carrying different germs, interchangeable wear is easy to cause cross-infection, may also spread eye disease, not conducive to maintain eye hygiene.
5.People with corneal disease cannot wear contact lenses. The lens of contact lens has direct contact with cornea, the eye has inflammation is absolutely not suitable to use contact lens, force wear may aggravate the disease.
Contact lenses worn improperly can cause great harm to the eyes, so in use, these contraindications must be firmly remembered!