How contact lens is made - material, making, history, used, procedure, machine, History, Raw Materials
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/3a/7c/3a7cc737-dc13-48c4-8265-6af3923f3519/123.png "How Contact Lenses Were Made in 1948 | Smart News| Smithsonian Magazine")
How Contact Lenses Were Made in 1948 | Smart News| Smithsonian Magazine
ShiftCam - #DidYouknow - How Lenses Are Made. Optical lenses go through a lot of processing steps before they are placed into a spectacle frame! In short, 102 steps + 60 days =
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How Are Contact Lenses Made?
