They are unlikley to work in fashionable letterbox frames. Mine are in as near as I can get to a RayBan aviator style and are brilliant or at least far better than glasses on/off/on/off I was doing at the desk before. No trouble driving but looking up at a stage (eg at school performances) has me doing distance throught e close focus section of the lens.
Wasn't it a discussion on varifocals in the other place and the site owners strong views on the subject that led to the deaprture of the much valued Mark of (RLBS or wherever?)
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