Noncontact type tonometer

Details Noncontact type tonometer Noncontact type tonometer

1987-09-03

1989-04-04

Coven, Edward M.

Surgery

Truss

Pad

128652, A61B 316

Patent

active

048176206

ABSTRACT:
A non-contact type tonometer is disclosed. It includes a fluid discharging device for discharging a fluid from a nozzle towards an eye to be tested and transfiguring the eye, an eye pressure measuring device for measuring the eye pressure of the eye based on the pressure of the fluid, and an alignment detecting device for detecting the aligning state of the nozzle of the fluid discharging device. It further includes an eye pressure value correcting device for correcting an actually measured eye pressure value obtained by the eye pressure measuring device based on an alignment error information of the nozzle with respect to the eye using the alignment detecting device.

REFERENCES:
patent: 3232099 (1966-02-01), Motchenbacher
patent: 3756073 (1973-09-01), Lavallee et al.
patent: 4665923 (1987-05-01), Kobayashi
patent: 4705045 (1987-11-01), Nishimura

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