If you wear contact ... your eyes, along with bacteria and debris, can build up on your lenses. That's why it's important to clean them properly. There are many different systems you can use ...

Typically something to do with the lens ... oxygen flow. So the biggest requirement for contacts is that they allow enough oxygen to permeate through that material to get to the front of the eye ...

Contact lenses consisting of silicone have some features that provide a healthy environment for the eye. These lenses are designed to allow as much as five to ten times the amount of oxygen to ...