Original sentence: Some companies produce contacts that can change the tint or color appearance of the eye, or can place various designs on it.There also exist contacts that can give the iris an enlarged appearance.This type of contacts can also have all the features common of corrective contacts, although some blurring or obstruction of vision may occur based on the specific contact lens design being used
Edited sentence: Companies and various brands names, such as wild eyes, produce contacts that can change not only the tint or color of your eye, but can place designs on it.For example, you can make your eyes look like a cat's eyes, or two "x"s.These contacts are generally capable of being used as corrective contacts, although some blurring or obstruction of vision may occur based on the specific contact used.Usually, though, the Pupil area (the area of your eye that you see with) of the contact lense is left just as clear as a regular contact lens.You can even get contacts that give the Iris a much larger appearance