Background: Orthokeratology contact lenses (ortho-k lenses) are the contact lenses that people wear to sleep, adjusting people’s vision to be close to 20/20 vision when they wake up in the morning and take them out. The result of almost “perfect” vision comes from the lenses shaping the eyes overnight, adjusting for myopia, or nearsightedness, and… Read more

Background: Daily wear soft contact lenses are the type of eye contact lenses that people typically wear during the day time. These lenses are soft and flexible to the touch and are made of materials such as silicone and hydrogel (Eyeglass World), contributing to the characteristic of the lens molding to the shape of the… Read more