Patent ID: 11883332
Assignee: OTOS WING CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A  B  F  G | IPC A  B  G

Claim 0:
1. An eye protection structure for protecting a worker, the eye protection structure comprising a window convex outward to cover both eyes of the worker, wherein the window includes a monolithic transmissive portion, wherein
the transmissive portion includes an inner surface facing the worker's face and an outer surface opposite to the inner surface,
a first radius of curvature of the outer surface of the transmissive portion and a second radius of curvature of the inner surface of the transmissive portion are different from each other, and
a thickness of a central portion of the transmissive portion is greater than a thickness of an edge portion of the transmissive portion,
wherein the window further includes an opaque portion having a smaller transmittance than the transmissive portion,
wherein the opaque portion includes an uneven surface.