Noncontact tonometer capable of measuring intraocular tension by

Details Noncontact tonometer capable of measuring intraocular tension by Noncontact tonometer capable of measuring intraocular tension by

1999-06-03

2000-09-19

Manuel, George

Surgery

Diagnostic testing

Testing aqueous humor pressure or related condition

351211, A61B 316

Patent

active

061204447

ABSTRACT:
A noncontact tonometer comprises an air current blowing means for blowing an air current against an eye, a cornea deformation measuring means for optically measuring a change in the shape of the cornea caused by the air current blowing means, and an arithmetic means capable of calculating the intraocular tension of the eye on the basis of the change in the shape of the cornea. Since the intraocular tension of the eye can be calculated on the basis of the change in the shape of the cornea by the arithmetic means, the pressure of the air current blown against the eye need not be high, which lightens load on the subject.

REFERENCES:
patent: 5682224 (1997-10-01), Takagi et al.
patent: 5727551 (1998-03-01), Takagi
patent: 5776061 (1998-07-01), Hayafuji
patent: 5841502 (1998-11-01), Miwa

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