Spectacles and use of spectacles having a spectacle frame and an additional frame
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 安德里斯拜德
- Publication Date
- 2020-12-04
Smart Images

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Abstract
Description
technical field
[0001] The invention relates to spectacles with a spectacle frame and an additional frame and the use of spectacles according to claim 1 or the preamble of claim 9 . Background technique
[0002] Spectacles of this type having a spectacle frame and an additional frame that can be placed thereon are known per se. In particular, they are used to equip spectacle frames with traditional ground vision correcting lenses as vision aids and to equip add-on frames as sunglasses with tinted lenses that do not correct vision. Thus, the user is extensively protected from the sun and brightness without altering the glasses and eyesight.
[0003] There are also known bifocal lenses with different degrees of grind in the top and bottom regions, wherein in addition to the distance part in the top region, a near distance part is also machined into the bottom region. Trifocal lenses are also known with different degrees of grind in the top, middle and bottom ranges, where in...