| 摘要 |
The area of eye glass in sunglasses - a monolens - is divided into a shady peripheral region and a field or fields of view. The field or fields of view may expand into lateral and lower edges of the monolens, may be without shade, or with a slight or greater shading, with shading in a different colour, or in the form of an aperture cut in the glass, to improve the field of view, to meter access of ultraviolet rays to the organism, to protect sight from colour distortions, to remove the hothouse effect of the glass in spectacles, to show the beauty of the eyes, for image-wise demarcation of shady regions and to increase attentiveness as per horses' blinkers. The fields of view in a monolens play the role of "windows" making it possible to use the sun-protective shading more easily. Various variant embodiments of shading and "windows" are proposed. The monolens lacks the harm caused by standard eye glass and does not distort reality.
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