Noncontact type tonometer

Details Noncontact type tonometer Noncontact type tonometer

1987-12-24

1990-07-31

Hindenburg, Max

Surgery

Truss

Pad

128652, A61B 316

Patent

active

049443038

ABSTRACT:
A noncontact type tonometer, in which an axial line extending in the direction of air pulse projected by an air pulse projecting nozzle towards a cornea of an eye to be tested is coaxial with an optical axis of an alignment optical system for verifying an alignment with respect to a vertex of the cornea, includes an anterior portion observing system capable of optically observing an anterior portion of the eye and having an optical axis coaxial at least with a part of the optical axis of the alignment optical system.

REFERENCES:
patent: 3756073 (1973-09-01), Lavallee et al.
patent: 3832890 (1974-09-01), Grolman et al.
patent: 4665923 (1987-05-01), Kobayashi
patent: 4705045 (1987-11-01), Nishimura
patent: 4724843 (1988-02-01), Fisher

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