Contact lenses have evolved out of all recognition since their early days in the 1960s and 70s. When I first qualified, opticians spent an enormous amount of time sorting out contact lens problems and resultant eye infections.
Around half the new fittings were either hard or gas permeable lenses which meant wearers weren’t happy until they’d spent around six months of adaptation. Early soft lens wearers had to have a whole chemistry-set of solutions to clean and sterilise their lenses every night as well as fortnightly super-cleaning using protein-removing tablets.
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