Usage of Contact Lenses:

Contact lenses are very popular worldwide for their utility and also for the fashion statements they make. The invention of contact lenses was a significant event in the history of opthalmic care. Usage of contact lenses solved problems related to refractive errors that are difficult to rectify only by using glasses. Contact lenses are placed right on the most sensitive part in the eyes ? the cornea. The usage of contact lenses has become so popular that nearly 120 million people in the world prefer this device to glasses. In the United States of America alone, there are nearly 38 million users of contact lenses and Japan comes next with an estimated 13 million users.

One of the best things about contact lenses is that unlike glasses, they provide a much broader field of vision. Contact lenses hardly get affected by wet or humid weather.

Proper usage of contact lenses requires certain knowledge of maintenance and care. As more and more individuals are using contact lenses these days, awareness is slowly but surely developing among the users.

The leading contact lens manufacturers too are marketing their products in such a way that all the necessary guidelines on how to wear lenses and how to disinfect them are printed on the boxes or containers. Those who wear contact lenses are becoming more and more aware of the impact of misuses of contact lenses.

Surveys have revealed that the older versions of contact lenses are more damaging to eyes and hence, they require more precaution. All the top brands of contact lens producers are adopting more advanced technologies to manufacture contact lenses. The newer lenses are almost featherweight and are less Allergenic to the eye. They are relatively easy to clean and maintain as well. The usage of contact lenses that are made in modern times is far more safe to the human eye.

There are innumerable categories of contact lenses available in the market today. Most of them are manufactured by topnotch brands such as Acuve, Bausch & Lomb, CooperVision, CIBA Vision, etc. Majority of the premier lens manufacturers have carved a niche base of consumers in countries like the USA and Canada. Lenses made of softer materials are more popular than those made of hard substances. Contact lenses made of harder materials have specific uses.

According to usage, the soft lenses are basically of two types. Some can be worn at a stretch for several days. You need to very picky while using these lenses. They are to be cleaned and rinsed thoroughly each time they are removed from the eyes. The disposable soft contact lenses can no longer be used after a specific span of time. They are like use and throw type of devices. They include daily wear lenses, weekly wear lenses and monthly wear lenses.