Description
Understand :
- Concave sphere glasses: -0.25 to -20.0
- Convex sphere glasses: +0.25 to +20.0
- Cylinder concave glasses: -0.25 to -6.0
- Convex cylinder glasses: +0.25 to +6.0
- 1 cross cylinder ± 0.25
- Prisms: 0.5 to 10.0
- Accessories
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