With modern inventions a lot of progressive work has been done in the field of Contact lenses, which is a great invention. Some people use lenses as an accessory displaying their personality but most some use them as a cure for weak eyesight. Lenses are available in varieties to be used such as hard lenses, soft lenses, and routines usage lenses. The characteristic of these are:
Hard contacts
The material used in these eye product is inflexible. These eye equipment are available in various bifocal forms for certain conditions of the eye. Some precautions for such lenses that should be taken are:
1. Lenses irritate eyes as contact lenses gets older
2. Eye irritation & dizzy vision are produced while blinking eyes.
3. As time passes, lenses get discolored and feel stiff in the eye.
Now we may discuss some advantages and disadvantages of contact lenses.
1. Various colors are available in lenses as they don’t affect their ability to function plus they add buoyancy to deprived vision.
2. It is beneficial to those who work in humid conditions, sports etc.
3. Lenses do not leave any spots on the nose as by glasses.
4. Problems may be created if contact lenses are not replaced with standard time in between.
Soft contacts that are now easily available are:
Daily Disposables
1. These lenses are just to be used for a single day.
2. No need to clean the eye product on a daily basis.
3. These are the best solution for reduction of dry eye, irritation and scheduling as these are best for those who are suffer from allergies to lenses.
Silicone Extended Wear Disposables
1. Silicon Hydro-gel material is used to make the lenses and they are used for a month on a continuous basis.
2. It reduces eye irritations and problems.
Usual wear lenses
1. Contacts take little time to get used to and are more popular now that they come in a variety of colors.
2. Special cleaning solution is available to clean and disinfect.
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