Eye infections are among the most common injuries from these lenses. A 2017 survey of eye care professionals found that young people aged 18 to 25 are at highest risk of eye injuries from costume contacts. One-third of the injuries treated by those eye care professionals occurred in first-time lens wearers, the joker costume few of whom had received safety instructions. For instance, you’d rarely buy a ball gown-style costume made of cheap curtain or lining fabric.