This contact lens review will focus on the types and uses of contact lenses. These small circular pieces of glass are used for cosmetic and corrective or therapeutic purposes. They are cautiously put over eyes and come in various colors, characteristics and uses. The idea for these lenses originated way back 1508 courtesy of Leonardo da Vinci and improved over time by experts.
What are the characteristics of these accessories?
There are two and both are made of permeable polymers that permit enough oxygen to get through the eye’s cornea. They are:
1. Soft – more comfortable to use but are more fragile. They are also more vulnerable to contamination because of its very thin layer. This type employs a UV protection layer to protect the eye.
2. Rigid gas permeable or RGP – this type is more durable but it requires more time for the user to get used to it. however once the user got the hang of it, this type is far easier to place and remove.
How about wear schedule?
There are also two main kinds of wear schedule:
1. Daily disposable – these are ideal for more sensitive eyes and don’t require cleaning so it is preferred by most who are not much into the hassle of maintenance. This kind has to be removed and disposed of before going to sleep.
2. Extended wear – these can be used for certain periods of time without the need of removing them. There are those you can use for a week and others you can use for a month. The accessories you can wear for a month are made of Silicone Hydrogel that allows more oxygen than other types.
What are the purposes of these accessories?
For corrective purposes, for fad and doe therapeutic purposes – these are some of the reasons why people use these glass eye accessories. For the purpose of cosmetics, one can choose from a variety of tints (as light-filtering, color and enhancement tints).
Color tints are for altering the shades of the eyes into different colors like green, amethyst and violet. In sports, light filtering tints are used to minimize glare and muting specific colors. To enhance eye color, enhancement tints are used.
These small circular pieces of glass are useful in many ways and can improve as time progresses. This contact lens review finds that these useful accessories can be marketed in the future in a way more affordable to many who are in need of its corrective and therapeutic benefits. For now, no matter what reason you have in purchasing these accessories, make sure that they are FDA approved.