subject: Some Facts Of Contact Lenses [print this page] It is nearly impossible for people who wear eyeglasses to see in the rain. And it is dangerous to wear spectacles while playing sports. Contact lenses are superior in these cases compared with eyeglasses. Placed on the cornea of the eyes, contact lenses can provide normal vision even in the rain or during sports. This writing gives some important aspects of the popular contact lenses.
The first pair of contact lenses was invented by Chemists from Czechoslovakia in 1961. And each pair of contact lenses is prescribed according to the patients prescription. In most cases, each lens has a different power. Contact lenses are mainly for the correction of myopia and hyperopia. But now lenses for astigmatic patients are also available. They are formally called toric soft contact lenses. Technological advances in the lens industry have also made it reality contact lenses in different shades. These colored lenses are generally designed for fashion aware individuals. There are even special brands of lenses that are manufactured for wearers with dry eye, such as extreme H2O, Biomedics XC and Proclear compatibles.
Most types of contact lenses need proper lens care on a regular basis. For instance, dust may accumulate below the lens surface and create eye irritation. Lens drops and solutions are mainly used to clean and rinse contact lenses. Compared with rigid lenses, soft ones fit even closer to the eyes. Both of these two basic types can not afford negligence in lens cleaning.
It is also important to follow necessary instructions given by eye care practitioners or written on the bottles. For example, every doctor will tell his or her patients not to share contact lenses with others. The lenses are only safe when they are not worn for longer periods. Otherwise, the eyes will be deprived of normal oxygen supply, leading to possible damage to the cornea. Using contact lenses can help users complement personal features and get natural vision correction.
