Hand-held auto-reversing cross cylinder
CN310273471SActive Publication Date: 2026-10-23阳谷县博济桥办事处谷山中路百亮眼镜行
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Patent Information
- Application Number
- CN202630347085.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-07-06
- Publication Date
- 2026-10-23
- Estimated Expiration
- 2041-07-06
Smart Images
Figure 000007_ABST
Abstract
1. The name of the design product: handheld automatic flip cross-cylinder lens. 2. The use of the design product: the design product is used for accurate measurement and correction of astigmatism axis and degree in optometry. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: part A is transparent material.
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