[Three models of eyeglass test frames]. / Tri modeli probnykh ochkovykh oprav.

The paper presents a technical, medical and economic rationales for the expediency of simultaneous manufacture of three models of present-day test spectacle frames, such as general-purpose, semiframe, and simplified semiframe ones, which will provide their rational, methodological and the most efficient use in choosing corrective spectacles in relation to the complexity of chosen vision correction.