准分子激光角膜切削术并发症的叙述以下哪一项是错误的() ["A．角膜上皮下浅表混浊","B．双眼复视","C．过矫","D．欠矫","E．屈光度数可回退"]
Gullstrand简易模型眼的特点是() ["A．将角膜和房水分别简化为单一球面","B．将角膜和晶状体分别简化为单一球面","C．将晶状体和玻璃体分别简化为单一球面","D．将所有光学界面简化为单一球面","E．将所有屈光介质简化为单一球面"]
准分子激光角膜原位磨镶术(LASIK)治疗近视时，切削角膜的() ["A．周边区基质","B．旁中央区基质","C．中央区基质","D．中央区浅表组织","E．旁中央区浅表组织"]
准分子激光角膜原位磨镶术(LASIK)治疗远视时，切削角膜() ["A．周边区基质","B．旁中央区浅表组织","C．中央区基质","D．中央区浅表组织","E．旁中央区基质"]
股骨颈骨折为什么常需手术治疗？术后护理应注意什么？
试述石膏固定患者的护理要点。
