Noncontact tonometer

Details Noncontact tonometer Noncontact tonometer

1995-11-15

1998-07-07

Cohen, Lee S.

Surgery

Diagnostic testing

Testing aqueous humor pressure or related condition

600405, A61B 316

Patent

active

057760616

ABSTRACT:
A noncontact type of tonometer is provided which includes air injection device (70) for jetting a fluid from a nozzle (18) onto a cornea (C) of a subject's eye (E), an alignment light projecting optical system (30) for projecting a beam of light onto the cornea (C), and a corneal deformation detecting optical system (60) for detecting the deformation of the cornea (C). The number of times up to which the air injection device (70) has jetted the fluid is counted by a counter (82), and the count is displayed on a monitor (M).

REFERENCES:
patent: 5042484 (1991-08-01), Hideshima
patent: 5048526 (1991-09-01), Tomoda
patent: 5465123 (1995-11-01), Iijima
patent: 5487386 (1996-01-01), Wakabayashi et al.

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