Active eye movement and positioning control device

Details Active eye movement and positioning control device Active eye movement and positioning control device

1997-09-12

1999-09-07

Peffley, Michael

Surgery

Instruments

Light application

351205, 351221, A61B 1736

Patent

active

059479558

ABSTRACT:
A device for controlling the position of a patient's eyes during ophthalmic laser surgery is disclosed which comprises a first fixation object positioned within view of the patient's eye that is undergoing treatment, a second fixation object positioned within view of the patient's eye that is not undergoing treatment, and structure for controlling the position of the second fixation object. The present device allows the patient to maintain fixation on a visual target and maintain the eye undergoing treatment in a steady position even when vision in the eye undergoing treatment becomes blurred during laser ablation.

REFERENCES:
patent: 4196980 (1980-04-01), Heine
patent: 4274716 (1981-06-01), Gammon
patent: 5265598 (1993-11-01), Searfoss et al.

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