There are many types of contact lenses on the market, but they can be divided into two categories; prescription and non-prescription or cosmetic contacts. If you want to change your look for a costume party or for an acting role in a play or movie, you need to look for colored contacts, which fall into the non-prescription contacts category. Please note that contacts come in all colors and shades, so you can easily find the best contacts for your needs.
If you are looking for white contacts to make you look like a blind person, then you should only search for white or blind contacts. If you want red contacts or black contacts to make you appear like a demon, possessed actor/actress, or alien character, then that is what you should look for. Be sure to also check the prices quoted by different vendors to identify the most competitively-priced contacts.