Q: What are the benefits of wearing hard contact lenses?
Hard contact lenses are quite uncomfortable to wear, but there are still many people choosing it. What are the benefits of wearing hard contact lenses?
A: There are many advantages of wearing hard contact lenses. One of them is that hard contact lenses provide sharpness of vision, thus people who wear hard contact lenses can see things clearly. Another one of hard contact lenses is that they work well in correcting astigmatism. Most individuals who have astigmatism, whether mild or extreme, can wear hard contact lenses to help correct astigmatism. Besides, hard contact lenses are comfortable to wear though it takes time to get used to them. But once you get used to hard contact lenses, you will find them rather comfortable to wear. Learn more answers.
Q: What are hard contact lenses made of?
I just wonder what material are hard contact lenses made of?
A: Hard contact lenses are made of PMMA (polymethyl methacrylate) polymer. The advantages of hard contact lenses are: difficult to change, longer life, easier cleaning and maintenance. The disadvantages are: less comfortable to wear, long adaptation period. The rigid gas-permeable?RGP?is very common, it is made of flexible colloidal material, it has all the advantages of hard contact lenses, and has a higher rate of oxygen permeability, but the price is relatively high. Learn more answers.
Q: How to take care of hard contact lenses?
I have a pair of hard contact lenses. Can you tell me how to take good care of it in order to make it last for a longer time?
A: You can combine a disinfection or storage solution and a cleaning solution, or use a single bottle of multipurpose solution for cleaning, disinfecting and storage of contacts. The initial way to clean it is using tap water, which was also approved by FDA. Always wash your hands with warm water and soap before handling your contacts or before touching your eyes. Dry your hands with a clean towel. Learn more answers.