The Atlantic has a recent piece on how the optometrist industry is rigged against consumers: In every other country in which I’ve lived—Germany and Britain, France and Italy—it is far easier to buy glasses or contact lenses than it is here. In those countries, as in Peru, you can simply walk into an optician’s store and ask an employee to give you an eye test, likely free of charge. If you already know your strength, you can just tell them...