Goggles

Figure 1: Spectacles with clear lenses
Clear PC lens covering both eyes. Black PA frame with
black PA sides, adjustable in length.
Metal screws to connect lens and sides, screws without
skin contact.
Middle thickness of the filters: 2.4 ± 0.05 mm
Thickness in nasal area: 2.3 ± 0.05 mm
peripheral thickness: 2.3 ± 0.05 mm
Vertex power / dpt:
Front surface: horizontal +4.2 – vertical +4.2
Back surface: horizontal – 4.3 – vertical – 4.4

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