FIELD: medicine.
SUBSTANCE: corrective lens for examination of the peripheral areas of the vision field contains a lens in a mandrel. In addition, there is a housing for lens fixation, a mirror hood installed inside the housing coaxially with the lens and made in the form of a truncated pyramid whose side faces are flat mirrors facing the mirror surface inwardly, as well as a flap with a circular hole coaxial with the lens and the mirror hood.
EFFECT: increased reliability of the results of peripheral vision fields examination due to the possibility of examination of the peripheral areas of the vision field on existing perimeters and campimeters with myopia and hypermetropia correction.
4 cl, 1 dwg
Authors
Dates
2017-08-28—Published
2016-04-12—Filed