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While reading about the design of contact lenses, I learned that there's a portion in the middle of the contact lens that's called the "optical center." Around the outside of this is the rest of the contact lens that forms a kind of "rim" to stabilize the optical center.
I then learned that the border between the optical center and the outer rim is visible under a microscope, but not to the naked eye. Cool huh? |
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Boston XO2 Ask a question about Boston XO2, start a discussion, share your opinion, or write an online review and share your experience with Boston XO2 contact lenses.
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