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US 2004/0172013 A1Published application
Ophthalmic laser surgical apparatus
AssigneeNidek Co., Ltd.
InventorToshifumi Sumiya
Life of this patent
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Abstract
An ophthalmic laser surgical apparatus includes a laser irradiation optical system which irradiates a laser beam which causes ablation on tissue of an eye; a sound collecting unit which receives a shock sound which is generated during the ablation of the eye tissue; and a monitor unit which is connected to the sound collecting unit and detects a degree of dryness of the eye tissue during the ablation based on a sound pressure level of a sound signal from the sound collecting unit.
Claims9
An ophthalmic laser surgical apparatus including:
- a laser irradiation optical system which irradiates a laser beam which causes ablation on tissue of an eye;
- a sound collecting unit which receives a shock sound which is generated during the ablation of the eye tissue;
- and
- a monitor unit which is connected to the sound collecting unit and detects a degree of dryness of the eye tissue during the ablation based on a sound pressure level of a sound signal from the sound collecting unit.
1 more element
An ophthalmic laser surgical apparatus including:
- a laser irradiation optical system which irradiates a laser beam which causes ablation on tissue of an eye while changing at least one of an irradiation position and an irradiation area;
- a sound collecting unit which receives a shock sound which is generated during the ablation of the eye tissue;
- and
- a calculation unit which is connected to the sound collecting unit and corrects data on control of the laser irradiation optical system based on a sound pressure level of a sound signal from the sound collecting unit.
1 more element
Dependencies are inferred from the claim text.