It took an hour and a half for 120-kg Romina to be tranquilized, allowing the surgeon to make an incision through the cornea before breaking up the cataract with ultrasound and inserting the silicon lens.

• 为这只体重达120公斤的大猩猩进行麻醉花费了一个半小时的时间，之后医生才能在它的角膜上打开切口，然后用超声波将白内障粉碎，镶入硅制镜片。