| 摘要 |
<p>Spectacles which comprise tinted lenses, characterized in that each lens is arcuate in shape, having a convace edge downwardly and a convex edge or flat edge upwardly, the concave edge forming an opening in the shape of a half moon extending to the lower edge of the lens. The lenses allow protection from glare while at the same time allowing full vision of darkened areas.</p> |
