Everything You Need To Know About Contact Lenses

It is widely understood that contact lenses, which are small concave plastic discs, are the most acceptable replacement to conventional glasses and are designed to improve problems related to sight such as long and short sightedness and astigmatism amongst others. Contact lenses also help to speed up the recovery for those who have undergone surgery for cataracts.

It is essential that prior consultation with a specialist is undertaken to ensure that the most suitable contact lens, in terms of shape and fit, is prescribed. This is important as a contact lens is designed to fit over the front of the cornea and uses the eye's natural tear fluid as as a means to remain afloat. An incorrect fitting could result in a contact lens that damages the eye and further impairs vision.

Contact lenses can be categorised as either soft lenses or hard lenses. Soft contact lenses come in three varieties, namely, those for daily wear, those which are disposable after single use, and finally those which can be worn for a longer period of time, extended wear. Hard lenses are those which include gas permeable and traditional hard lenses. Whatever your choice of lens it is always adviseable to consult your doctor or optician.

Getting used to wearing hard contact lenses is a gradual process which can take a period of up to a month before the eye is totally comfortable. Conversely, a much faster period of adjustment can be expected when using soft contact lenses, typically less than one week.

The uses for contact lenses are many and varied. For those who suffer from less than perfect eye sight contact lenses can compensate for any viusal defficiencies. In addition to correcting vision, contact lenses can be used by patients who have undergone eye surgery such as the removal of cataracts, and can also be beneficial to those who have damaged corneas which have resuled from either injury or infection.

From a practical and aesthetic point of view, contact lenses are the ideal option. Contact lenses are unlikely to experience the same problems as conventional glasses, for example, misting up. For athletes the benefits of lenses are immense as they allow the individual to move freely whilst having all the benefits of assisted vision, and the security that the lenses will not be lost through movement.

Nowadays, a popular alternative to both wearing glasses or contact lenses is Lasik eye surgery. To many this is an attractive proposition because it removes the necessity to wear either glasses or contact lenses, but there are several drawbacks that should be considered. Many individuals, however, still prefer contact lenses because they are reliable and affordable. Lasik surgery can be a more expensive option than glasses or contacts, and it is worth considering that there is an element of risk attached to the procedure.

If contact lenses are being considered to correct visual shortcomings, it is important to visit an optician, doctor or eye specialist who will make the necessary eye examination that will determine what strength of lens you will require and the overall health of your eyes. Some contact lense can be bought over the counter but genuine vision correcting lenses require a prescription from a doctor or optician.

The benefits of contact lenses have been widely appreciated for many years and they are generally considered to be the better alternative, in many ways, to glasses. Their popularity is due largely to fact that they are totally unobtrusive and do not alter an individual's appearance in any way, and more importantly to those who enjoy an energetic lifestyle, they do not restrict movement and do not have to be removed to enjoy most activities.

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