[The Bifosolar Ideal light-protection spectacles (author's transl)]. 1978

E Weber

Bifosolar glass is made without heating, therefore the phototropic material keeps unchanged its original light sensitivity. A further development of the Biofosolar glass leads to the "Bifosolar Ideal dual strenght glass". This can be used in reduced visual acuity by combining with additional corrections up to 8.0 dioptres. The author describes the manufacture and the technical data of the various Bifosolar glasses.

UI MeSH Term Description Entries
D005139 Eyeglasses A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available. Glasses,Spectacles,Sun Glasses, Prescription,Glasses, Prescription Sun,Prescription Sun Glasses
D005860 Germany, West The former Federal Republic of Germany which was reunified with the former German Democratic Republic in 1990. Federal Republic of Germany,Germany, Federal Republic of
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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