Halloween is a popular time for people to use colored contact lenses to enhance their costumes. From blood-drenched vampire eyes to glow-in-the-dark lizard lenses, costume contacts can certainly add a spooky, eye-popping touch. But colored contact lenses are popular year-round, not just at Halloween.

But few know the risks associated with these lenses. "Most people believe that decorative lenses do not require the same level of care or consideration as a standard contact lens because they can be purchased over-the-counter or on the Internet," says Dr. Samina Khan Lead Optometrist at Sight N' Steps Optometrists Pickering Town Centre. "This is far from the truth."