Tuesday, February 24, 2009

Contact lenses for vision correction

By A Smart Shopper

Daily disposable contact lenses are the most convenient and affordable lenses. Daily disposable lenses can be used in the day and can be thrown away at night before you go to sleep. A daily disposable lens does not cost much and there is no cleaning and maintaining of lenses on a daily basis. These are the healthiest contact lenses a person could wear and are ideal for people who have allergies. A daily disposable lens costs USD 1 or above. It is very cheap and could save people a lot of time daily. It is perfect for busy people. There are other types of disposable contact lenses such as weekly and monthly disposable lenses. Nowadays there are some weekly and monthly contact lenses available, which can even be worn at night, but it is advisable not to use such contact lenses. Many Ophthalmologists suggest not using any contact lenses while you sleep. Disposable contact lenses are the most common type of lenses today. Normal or standard contact lenses are usually used for a period of six months to a year.

Tears in the eyes contain lipids, proteins and calcium, which can build up on the contact lenses. These deposits on the lenses could make the person feel uncomfortable and sometimes could lead to allergies or infections. Even before disposable lenses were introduced the doctors used to suggest people to change their lenses frequently as it was a healthy thing to do. But contacts were very expensive and many lens cleaners were introduced to increase the life of the lens. Later on contact lens manufacturers started manufacturing contact lenses using latest technology and manufacturing methods to produce quality lenses at low prices. It is also said that because of increasing competition among the contact lens manufacturers it has lead to the cheap disposable contact lenses. Disposable contact lenses are affordable for a common man and can be replaced quite often. Most of the disposable lenses today are made from the same material as traditional lenses.

Bifocal contact lenses are for people who have a condition called presbyopia. In the case of presbyopia, the person has to hold any reading material away from the eyes to read it clearly. Bifocal contact lenses are available in soft and rigid gas permeable materials and nowadays are also available in disposable form. Disposable bifocal contact lenses were first available in the year 1999. Even daily disposable bifocal contact lenses, which can be used throughout the day and discarded at night, are available. Bifocal lenses may not suit every ones eyes. It also takes some time for people to adjust to the contact lenses. Bifocal contact lenses do work like the bifocal eyeglasses.

Nowadays we have seen many movies where the use of theatrical contact lenses designed in various colors and styles providing special effects. These contact lenses are normally used to match the costumes and create a great look. There are various contact lenses designed like football, flags of different countries, animals etc. These are the craze with today's younger generation. Many crazy contact lenses are manufactured and available in various brand names.

There are different websites providing great offers for contact lenses. Many websites promise to provide free shipping. You just have to mention your eye prescription and the contact lenses are shipped to your doorstep. Most of the online providers accept credit cards. Some of the main brands for contact lenses are Acuvue, Biomedics, Focus, Optima, Proclear, Soflens, Sureview and Versaflex.

There are various types of contact lenses like vial lenses, toric lenses, colored lenses bifocal lenses and gas permeable lenses. All these lenses are normally available online. It is advisable to contact a licensed eye care professional before you purchase any contact lenses. The ophthalmologist is the right person who can suggest the use of a particular type of lens. If you have shortsightedness, long-sightedness, astigmatism or presbyopia contact lenses could suit you. It is recommended to follow his suggestions. The doctor's prescription should always be shown to the contact lens retailer before you purchase it.

A contact lens is a soft, thin and oval or round in shape. They are of a size of a small button. They are placed between the natural tears and the eye. Just like a normal eyeglass these contact lenses are placed in the eye and not far from the eye like the old styled eyeglasses. The younger generations do prefer contact lenses than eyeglasses. The introduction of new manufacturing techniques and cutthroat competition has made the contact lenses affordable to a common man. It is advised to consult an eye doctor before you purchase any contact lens, whether disposable or regular one. Disposable contact lenses have many positive effects on your eyes than that of a normal one. Whether you are a person who commutes daily to office, a sportsperson, architect etc disposable contact lenses would be the perfect choice. Just wear it in the morning and before you go to bed remove it, that's all. No cleaning or any other time wasting. Many websites do provide discounts on daily disposable contact lenses and you could also get a better deal if you purchase contact lenses for a certain period of time.

Always get a prescription for your contact lenses before buying it. It is prohibited to sell and purchase lenses without a prescription from the eye doctor in the United States. Even if you buy contact lenses online, find out if the website is registered and also note whether they ask for your prescription. Buy contact lenses only from reputed dealers. - 16651

About the Author: