Here is a simple flow chart:

graph TD
    IOL["人工晶状体(IOL)"]
    IOL --> pIOL["有晶体眼人工晶状体(pIOL)"]
    IOL --> aIOL["无晶体眼人工晶状体"]
    pIOL --> ACIOL["前房角支撑型pIOL"]
    pIOL --> AIOL["前房虹膜固定型pIOL"]
    pIOL --> PCIOL["后房型pIOL"]
    PCIOL --> ICL["ICL (Implantable Collamer Lens)"]
    aIOL --> cIOL["白内障手术用IOL"]
    cIOL --> MIO["单件式IOL"]
    cIOL --> TIO["三件式IOL"]