For any medical device, it is always a balancing act that must be achieved and this will involve a careful balancing of the smaller of the two evils. If the benefits of the medical device (whatever it maybe) happens with the risks (actual and potential are greater), then the device will (typically) is used. Sometimes, however, the risks and / or side effects are unavoidable and must therefore be properly prepared to maintain their real level as low as possible.
A commonMisunderstanding about contact lenses is focused around the theme of contact lenses and dry eyes. A particularly widespread myth is that all hard contact lenses will automatically cause dryness of the eyes and cause irritation. This is something of a fallacy, though a very understandable because a that there was indeed present a grain of truth. To explain more adequately, we need to check what actually anger and Infection of the eyes.
Product tears in our eyes, the tear ducts to wash away dirt and debris that have collected in them, and to achieve this, the eyes of oxygen. Hard contact lenses tend to cause the transfer of oxygen into the eye and this block as a result of irritation and infection.
One of the easiest ways out of the lenses and dry eye problem is by using instead of soft contact lenses. Soft> Contact lenses have been specifically developed to allow greater amounts of oxygen into the eye and this is usually used by the materials in the rule to create them, which usually are very light and porous as well achieved.
Please note that not everyone will be a suitable candidate for these special types of lenses.
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