《老友》专家门诊:我是一名白内障患者,最近做了白内障手术,安装了人工晶体。可医生说,三个月后还要上医院验光配镜。请问:安装了人工晶体,为什么还要配眼镜? “Friends” expert clinic: I am a cataract patient who recently underwent cataract surgery and had an intraocular lens installed. The doctor said, but also on the hospital optometry three months later. I ask: the installation of artificial crystals, why should wear glasses?