Gaze-fixing device for surgical microscope

Details Gaze-fixing device for surgical microscope Gaze-fixing device for surgical microscope

1987-03-23

1988-12-27

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

350520, 351211, A61B 310, G02B 2106

Patent

active

047937009

ABSTRACT:
A gaze-fixing device for a surgical microscope which is capable of providing a marking without an error at the time of a radial keratotomy operation. The device comprises a gaze-fixing target which can be disposed on the observation optical axis of a microscope, and light quantity-reducing means for reducing the quantity of illumination light applied from an illumination light source for illuminating an eye to be operated on.

REFERENCES:
patent: 3416855 (1968-12-01), McClernon
patent: 4208107 (1980-06-01), Oharek
patent: 4283124 (1981-08-01), Matsumura
patent: 4478499 (1984-10-01), Herenz
patent: 4614411 (1986-09-01), Horenz
Dale, W., "Fixation Device as an Aid to Fundus Examination" J. R. of the American Optometric Ass. 7-1959, pp. 869-870.
Knoll et al., "The Ophthalmetron, Principles and Operation" American Jr. of Optometry & Archives of American Academy of Optometry 2-1972; pp. 122-128.

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