Introduction
Contact Lenses are introduced several years ago and the introduction of soft lenses in 1971, majority of the brands are made of hydrogel plastics. Later, contact lenses made of silicone hydrogel is introduced in the market place. These contact lenses have become the preferred choice of contact lenses among consumers and eye care professionals overall. This is due to the fact that they allow more oxygen to get through the contact lens to the eye and are less prone to dehydration. In general, contact lenses correct nearsightedness, farsightedness and astigmatism. There are several types of contact lenses available today but can be classified in different ways:
Contact Lenses Materials
There are three types of contact lenses bases on material classification:
- Hard lens – It is made from PMMA and rarely used now a days
- Soft lens – It is made from water containing plastics and used most commonly used nowadays
- GP lens – It is made from waterless plastics and best suitable for high end astigmatism.
The introduction of ‘extended wear’ contact lenses is a breakthrough innovation in the Contact Lenses industry. It enables the consumers to sleep without removing their contacts consecutively for seven days. There are two types of Contact Lenses based on wearing time:
Daily wear contact lenses – It has to be removed daily in night i.e. one day usage
Extended wear contact lenses – It can be used for seven days continuously without removal
Continuous wear contact lenses – It is used for 30 days and can be discarded monthly
Contact Lenses usually needs a special care for its long usage. It needs to be cleaned, disinfected and stored them properly using cleaning solutions. In recent years, the advent of multipurpose solutions have paved the way for cleaning and disinfecting using one product and then stored it accordingly for future use. Of late, by adapting to daily disposables, total lens care can be overlooked overall.
There are different contact lenses available to correct various vision problems:
Online Contact Lenses purchase
There are several modes available to purchase Contact Lenses. One such mode is ‘Online’ purchase. In recent years, there is large number of online purchases made for contact lenses. The price comparison websites will throw up the Contact Lenses sellers in the market plus user reviews in particular to evaluate the credential of those suppliers overall.
There are different online shopping sites that sell Contact Lenses depending on the nature of the vision problem. These vendors provide online discounts and rebate as well. But, it’s very unlikely to compare the prices of Contact Lenses brands because it involves shipping cost calculation and other hidden costs possible.
The most popular Contact Lenses brands available in the market globally that cater to the correction of various vision problems are:
Thus, Contact Lenses are considered to be the best alternative to glasses and LASIK on a whole. They seem to be trendy, comfortable and easy to care. The variety of Contact Lenses are available to suit the different vision needs of the consumers and technology has revolutionized the contact lenses industry by means of introducing consumer-friendly products in the market place overall.
