Can I get blind using colored contacts?

This is a bitter truth, yes. Unsafe & unhygienic usage may lead to permanent blindness, affecting 1 out of every 500 people. Mixing your contact lenses with water, failing to thoroughly disinfect them and continuing to wear them past the expiry are some of the major factors that contribute to the contraction of acanthamoeba keratitis. Acanthamoeba Keratitis can be as damaging as losing your vision permanently. The virus is quick enough to devour the cornea within 24 hours- too quick to be detected.