Noncontact type tonometer

Details Noncontact type tonometer Noncontact type tonometer

1994-12-19

1997-06-03

Sykes, Angela D.

Surgery

Truss

Pad

128652, A61B 316

Patent

active

056344635

ABSTRACT:
A noncontact type tonometer capable of accurately measuring intraocular pressure of a subject's eye even if the intraocular pressure is much higher than normal. The noncontact type tonometer comprises a fluid discharging device for discharging fluid toward a cornea of the eye, a corneal transfiguration detecting portion for detecting the corneal transfiguration, a pressure detecting portion for detecting discharge pressure of the fluid, and a delay circuit for determining the precise moment for stopping the operation of the fluid discharging means according to the discharge pressure detected by the pressure detecting means.

REFERENCES:
patent: 4825873 (1989-05-01), Kohayakawa
patent: 4947849 (1990-08-01), Takahashi et al.
patent: 4951670 (1990-08-01), Tanaka et al.
patent: 5279300 (1994-01-01), Miwa et al.

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