患者男 ,6 6岁 ,诊断“左眼鼻上方脉络膜恶性黑色素瘤”,拟行左眼球摘除术。术前征得患者同意 ,对肿瘤周边部行激光光凝封闭后 ,在其余正常视网膜区域进行了实验性设计光凝。肿瘤位于左眼鼻上象限 ,避开黄斑、视盘区域 ,在正常视网膜区域采用多波长氪离子激光 (Novus Omni)进行 Male patient, 6 6 years old, diagnosed as “left eye nasal choroidal malignant melanoma,” the proposed left eye enucleation. Patient consent was obtained before surgery, and laser photocoagulation was performed on the peripheral part of the tumor. Experimental photocoagulation was performed in the remaining normal retina area. The tumor is located in the left nasal quadrant, avoiding the macula and optic disc area, using the multi-wavelength krypton ion laser (Novus Omni) in the normal retinal area