Are you one of those who are about to endeavor in the world of putting contact lenses? Large numbers of people in need of curative lenses prefer to put on contact lenses because of the ease and a repugnance to looking terrible with the specs. The glasses burden on the ears, slide down from nose, and also have glare troubles with light. In addition, you should have special lenses and also an additional pair to stay away from the sharp sunrays when wearing spectacles. Contact lenses are very comfortable and easy to put to replace the conventional glasses by endowing excellent peripheral vision without forfeiting on the part of the outlook on appearance.
Many individuals will not be able to recognize even that you are actually wearing contact lenses, as they are virtually impossible to notice in your eyes. However, there are different types of contact lenses that are available in the market. Thus, you should always select a contact lens which will best suit your condition such as line of work, kind of vision disorder and many more. Among the various types of contact lenses the contact lenses can be either soft or hard.
Soft Contact Lenses
Soft contact lenses are basically manufactured by a plastic hydro gel polymer, which consists of 35 to 75 of water. These contact lenses are produced from soft plastic and are absolutely water absorbing by nature, which fix at the face of cornea. However, few contact lenses also provide protection from the ultraviolet rays.
The greatest advantage of wearing soft lenses is that, these lenses are generally disposable that means after using they can be disposed, depending on the kind of contact lens is prescribed. This offers a chance to the contact lens user to get a new pair of contact lenses, which further reduces the chance of having any kind of eye infection and also providing ample comfort to the wearers.
Nevertheless, the size of soft contact lens can vary from 13 to 14.50 mm and 100 um thick. These lenses also enable the oxygen comfortably to reach the cornea. Apart, it also has some drawbacks such as they quickly absorbs various pollutants such as lotion or soap from the hands, which further results in irritation in eyes. Furthermore, they can even tear or rip quite easily.
Hard contact lenses
The hard contact lenses are commonly manufactured with a rigid stuff. However, to boost the oxygen permeability, this stuff can be blend with various other plastics. These lenses are available under the range 8 to 18 mm with thickness of 100um.
The hard contact lenses are very durable but like the soft contact lenses do not provide oxygen that can reach the cornea. Nevertheless oxygen gets dissolved with the tear which in some way reaches the cornea due to eye movements because of the frequent blinking of eye. Despite of their low cost and durability these contact lenses are quite uncomfortable to put and are used by very number of people.
However, it will be feasible to contact your eye specialist before selecting any kind of contact lenses, as he/she will guide you in a better way according to your eye and requirement.
Author Resource:-
Browsing our Contact Lenses online resources and reviews at http://www.uk-contact-lenses.com Don't miss our popular Coloured Contact Lenses section.
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