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I'm not sure where you are looking but there are tons of options for $30-$100 glasses out there. In fact I got designer brand frames from my optometrist with u

• jrapdx3 10y ago
  Certain "extras" run up the cost of lenses. Options like self-darkening on UV exposure, low-reflection and anti-scratch coatings. UV coatings can add to the cost, but are probably unnecessary since most polymer lenses are inherently UV-absorbing. Also, "no-line" bifocal versions cost more, as well as high-refraction materials that reduce lens weight and thickness. Frames also vary in quality and durability. The glasses I'm wearing now are using frames > 20 years old. Of titanium construction they've outlasted other frames made of less robust materials or marginally engineered. Don't know if on-line suppliers offer these options at lower cost. I suppose there's some risk of lenses being off-spec with any optician, an experience I've had several times over the years. The last set of lenses made for me had to be redone twice. Getting lenses from a local shop likely costs more, but having someone to complain to directly face-to-face has a value of its own.