Optical device enabling a temporary correction of the choice of a frame bare

摘要

Support for temporary ophthalmic correcting surfaces comprising in itself said surfaces and not deforming the vision of a pair of spectacles being tried, which can be observed through said support. The device comprises a perfectly transparent rigid plate (1), widely circumscribing the normal surface of the pair of spectacles, and which can be hand-held like a lorgnette before the spectacles to be tried, which can be observed in this way without any discomfort through said support which has in its mass the necessary correcting surfaces to ensure good vision during the trying. The invention can be used by opticians in order to facilitate their customers' choice of new mounting rims on which the corrective lenses are not yet fitted.