Air Optix NightDay Aqua

Air Optix Night & Day - monthly silicone hydrogel contact lenses are the first generation.

The advantage of silicone hydrogel contact lens is much greater than that of hydrogel lenses measure oxygen permeability (Dk / t 175). Silicone is embedded in the matrix material of the contact lens and forms a "transparent" for the passage of oxygen bars. The level of oxygen permeability of silicone contact lenses oxygen permeability than water (90 Dk / t). That is, the silicone contact lenses having greater than that of water (tears) oxygen permeability, does not actually prevent the penetration of oxygen to the cornea. This allows you to negate the problem of hypoxia (oxygen deficiency), which can sometimes occur while wearing hydrogel contact lenses (in the case of misuse). It is believed that the level of oxygen permeability of this lens is so high (Dk / t 175) that you can wear it without taking a whole month. Practice shows that it is possible only to some users. It is individual and related to the amount of lipids in the tear that held a silicone lens. Lipids are difficult to remove from the surface of silicone contact lenses.

In contrast, hydrogel contact lenses for silicone hydrogel lenses needed a period of adaptation. Silicone contact lenses of the first and second generations are characterized by high hardness and density, they would be rude. Some users did not manage to go to hydrogel contact lenses silicone hydrogel. We recommend that you do not worry about it and continue to wear your hydrogel lenses, unless, of course, the desire to go to the silicone lenses are not due to the doctor's recommendation and insistence. In this case, try to look for a more soft silicone hydrogel contact lens (the third generation).

Users should also be aware of some specific information about silicone contact lenses: Better to use daily wear (to shoot at night) and daily cleaning;

If you are using the extended (continuous) mode of wearing, in a week (7 days), according to the directive producer you have to discard the lens and replace it with a new one;

Given that Ukraine has no means of care designed specifically for silicone contact lenses, you must as the best way out to use peroxide to clean;

Incorrectly chosen physician silicone contact lenses can cause damage greater than that incorrectly picked hydrogel lenses.

 

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