Filthy contact lens cases are never replaced on time

The tiny plastic containers holding your fragile optical lenses are a massive source of unspeakable grime. Experts universally scream that these cases must be tossed out completely every single month because scrubbing them simply doesn't eliminate the buildup. Yet, a vast majority of users obstinately hold onto their crusty, fading plastic cases for years, risking massive irritation just to save two dollars.