| 摘要 |
<p>An ophthalmic laser treatment apparatus (100) for treating a patient's eye, comprises: a treatment laser source (11) for emitting a treatment laser beam; an aiming light source (12) for emitting an aiming beam; an irradiation unit (40) including a zoom lens (42) for changing a size of each irradiation spot of the treatment beam and the aiming beam and a scanner (50) for scanning each irradiation spot on a tissue of the patient's eye in two dimensions, the irradiation unit being arranged to irradiate the treatment beam and the aiming beam to the eye; an irradiation pattern setting unit (86) including a switch (86a) for inputting a signal to set an irradiation pattern in which a plurality of irradiation spots of the treatment beam is arranged; and a controller (70) for controlling driving of the irradiation unit to control a position of the irradiation spot of the aiming beam based on the set irradiation pattern during aiming before irradiation of the treatment beam, the controller being configured to divide the irradiation spots of the treatment beam in the set irradiation pattern into two or more groups and switch the positions of the irradiation spots of the aiming beam at a predetermined time interval based on the irradiation spots of the treatment beam in each group to irradiate the aiming beam so that the irradiation spots of the aiming beam in a group before switching and the irradiation spots of the aiming beam in another group after switching are not recognized simultaneously by an operator.</p> |
