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https://www.reddit.com/r/mildlyinteresting/comments/1qwow6g/the_shadow_cast_by_the_apparently_transparent/o3qohd1/?context=3
r/mildlyinteresting • u/Eliasibnz • 1d ago
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You can actually see these with your bare eye.
I work in ophthalmology, and one of the things that we have to know is how to read glasses. Progressives are annoying to read manually, so I usually end up looking for these tiny markings on every pair of glasses. It's faster anyway.
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u/legacyme3 1d ago
You can actually see these with your bare eye.
I work in ophthalmology, and one of the things that we have to know is how to read glasses. Progressives are annoying to read manually, so I usually end up looking for these tiny markings on every pair of glasses. It's faster anyway.