| 摘要 |
Disclosed are a laser irradiation method for laser treatment performed by irradiating a treatment part of a patient with a treatment laser beam and a laser treatment apparatus for practicing the method. The method includes the steps of: setting a shape and size of an irradiation area to be irradiated with the laser beam; determining a scanning sequence of beam spots based on the shape and size of the irradiation area set in the setting step, a spot diameter of the laser beam, and a predetermined rule; and performing laser irradiation to the beam spots within the irradiation area in accordance with the scanning sequence determined in the determining step, wherein the predetermined rule is a rule that the beam spots continuously irradiated with the laser beam become nonadjacent and scanning lines continuously irradiated become nonadjacent.
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