A contact lens, or simply contact, is a lens placed on the eye. They are considered medical devices and can be worn to correct visualization, for cosmetic or therapeutic reasons. In 2004, it was estimated that 125 million people (2%) use contact lenses worldwide. In 2010, worldwide contact lens market was estimated at $6.1 billion. Some have estimated that the global market will reach $11.7 billion by 2015. As of 2010, the average age of contact lens wearers globally was 31 years old and two thirds of wearers were female.People choose to wear contact lenses for many reasons. Aesthetics and cosmetics are often motivating factors for people who would like to avoid wearing glasses or would like to change the appearance of their eyes. Other people wear contacts for more visual reasons. When compared with spectacles, contact lenses typically provide better exterior vision, and do not collect moisture such as rain, snow, condensation, or sweat. This makes them ideal for sports and other outdoor activities. Additionally, there are conditions such as keratoconus and aniseikonia that are corrected better with contacts than with glasses.
Over the years there have been many types of lenses that have come into existence. Recently the trend for color lens has been booming. Colored lenses are even known as cosmetic contact lens. A cosmetic contact lens is designed to change the appearance of the eye. These lenses may also correct the vision, but some blurring or obstruction of vision may occur as a result of the color or design. In the USA, the Food and Drug Administration frequently calls non-corrective cosmetic contact lenses decorative contact lenses. These types of lenses tend to cause mild irritation on insertion, but after becoming accustomed to the lenses, the eyes typically tolerate them well. As with any contact lens, cosmetic lenses carry risks of mild and serious complications, including ocular redness, irritation, and infection. Besides the few problems caused by colored best lens cleaning, people now a days love wearing color lens.
When you buy your contact lenses, your optometrist will tell you what solutions you will need to look after your lenses.Depending on what type of lenses you are recommended, you may need one solution to clean and sterilize the lenses, one to help you put them in your eye and maybe one to do weekly protein elimination.You will need to clean your contacts every day to remove dirt and pollution, but you also need to sterilize them to remove any minuscule bacteria that can build up on the zeiss lens cleaning and cause an infection.Many solutions are now 'single use' which means you can use them to both clean and sterilize your lenses.
A lot of people worry about the cost of contact lenses, but experts say it hasn't been a concern. World trends state that the lens prices are going down and this is due to the many a number of people opting for contact lenses over orthodox spectacles. The Association of Contact Lens Manufacturers also states the lens prices are being driven down every day. This is largely due to increased competition from High Street opticians but also from the growth in internet sites offering cheap contact lenses.But if you are going to buy lenses from a website, beware. The Federation of Ophthalmic and Dispensing Opticians says a number of their members have found patients who have bought sub-standard lenses from internet.
Overall people in today's date have chosen contact lenses over the normal spectacles and are using them in day to day life. People love wearing colored lenses and they are a huge boom. This is also because Colored lenses makes a person look completely different from what one usually looks. Lenses are readily available everywhere and I suppose people should prefer shifting to lenses over their spectacles. http://www.amazon.com/gp/product/B00N5QUIMG