FAQs About Contact Lenses

Why are contact lens solutions needed?
One of the things that you should never forget is that contact lenses are not a natural thing to have in your eyes. Contact lens solutions do three main things. Firstly they clean the lenses to make sure they are as clear and comfortable to wear as possible. Cleaning your contact lenses also removes over 90% of the germs that can grow on them. Secondly, lens solutions disinfect the lenses and lens case. Whilst the lenses are out of your eyes they are easily infected by germs from your hands, tap water, the atmosphere and almost everything else they might come into contact with. The disinfectant kills any germs on the lens to prevent you from getting an eye infection. Thirdly the lens solutions act as a buffering and wetting solution which means the lenses are more comfortable when they are inserted. Almost all modern lenses need to be kept wet to prevent them from changing shape and solutions help to do this as well. Finally, would you put a piece of plastic in any other part of your body without cleaning or disinfecting it regularly?!

What are contact lenses?
What are "Hard" and "Soft" lenses?
Why does the cornea need Oxygen?
What are high water content lenses?
Why aren't all soft lenses high water content?
Do gas permeable contact lenses absorb water?
Which lenses are best?
What is astigmatism?
I have astigmatism - can I wear soft lenses?
What is presbyopia?
I have presbyopia - can I wear contact lenses?
What are disposable lenses?
Why are contact lens solutions needed?
Do I need to use protein-removing tablets?
Which solution is best for my lenses?
I've been told not to wear my lenses when in an aeroplane - why?
Can I swim in my contact lenses?
Do I still need spectacles if I wear contact lenses?
What is the difference between tinted and coloured lenses?

See also:
All About Contact Lenses
All About Vision
How to make a complaint