Methods: Forty pedial patients undergoing ophthalmic operation of ASA class I were randomized into propofol group(group A, n =20),and Diazepam group(group B, n =20).

• 方法 :选择ASAI级小儿眼科手术 4 0例 ,随机分为异丙酚组 (A组 ,n =2 0 )和安定组 (B组 ,n =2 0 )。