Disinfectant solutions include hydrogen peroxide or a chemical formula.

Direct contact in the eyes of a hydrogen peroxide can cause irritation. This is why lenses disinfected with the use of hydrogen peroxide should be rinsed off with a neutralizer before it can be worn. Neutralizers work to turn peroxide into safe water and oxygen which prevents allergic reactions.
With continued use of contact lenses, our eyes become dry. Eye drops are available in the market for lubrication of our eyes and adding wetness or moisture to the lenses.
Besides rectifying near-sightedness and far-sightedness of a person, they can totally alter the hue of your eyes or can function to enhance dark or light eye color. There are two distinct functions of multifocal contact lenses which come in various designs.
Since the lens is used for two distinct purposes, multifocal contacts are designed in various ways. In some designs, the corrective vision and colored patterns are placed on the same part of the lens while other designs place it far from the other.