Will contact lenses evaporate?
There are often negative reports about contact lenses on the Internet, so people always have a lot of worries about contact lenses. They are often easy to panic when they can't find contact lenses in their eyes. They even worry that the contact lenses will evaporate and disappear.But in reality, such concerns are unnecessary.
Contact lens melting point is very high, can withstand a certain high temperature, will not easily evaporate in the eye.As the ambient temperature rises, it simply evaporates water from the contact lens, leaving it dry and brittle.However, when the temperature is too high or when the lens is in direct contact with an open flame, it will have a certain effect. The lens will begin to deform, and the deformed lens will easily wear the cornea and produce obvious foreign body sensation, so it is not suitable to continue wearing.
Some wearers may have trouble finding their lenses, usually due to the lens slipping off or hiding in the conjunctival sac.When wearing contact lenses, if the base arc of the lens is too large, it is very easy to cause slide.And the eye is completely separated from the outside, so there's no need to worry about the lens getting into the eye.If the lens disappear, you can close your eyes and feel whether there is foreign body sensation in the eyes, move your eyeballs to help the lens move out, never knead your eyes with your hands or hard.If it is impossible to remove the lens, you must go to the hospital for treatment as soon as possible.
Although the water content of contact lenses is high, but also will not casually evaporate, but in order to avoid water evaporation brought dry discomfort, it is recommended not to wear contact lenses in the barbecue, hot pot, sauna and other high temperature environment.Although contact lenses for everyone to provide convenience, but also to be careful to avoid it harm eyes oh!