Contact lens

Contact lenses (sometimes just referred to as "contact") is a corrective lens, cosmetic, or therapeutic that is usually placed on the cornea of the eye.

Contact lenses usually have the same functionality with conventional glasses or goggles unusual, but lighter and form an invisible when worn. Many blue colored contact lenses to make them more easily visible when cleaned, stored or when worn. Contact lenses are sometimes deliberately created another color to change the look of the wearer's eyes.