AIR OPTIX® for ASTIGMATISM contact lenses are intended for daily wear for near/far-sightedness, astigmatism and/or presbyopia. Risk of serious eye problems (i.e., corneal ulcer) is greater for extended wear. In rare cases, loss of vision may result. Side effects like discomfort, mild burning or stinging may occur. Full safety information is available here: www.airoptix.com/safety-inform....