氢溴酸后马托品滴眼液为抗胆碱药,它具有扩张瞳孔和调节麻痹作用。由于散瞳和麻痹睫状肌效力较弱而维持时间较短,因此临床上常用于散瞳检查眼底及验光。该制剂《中国医院制剂规范》第1版已收载,含量测定采用双相酸碱滴定的容量分析法,其终点的判断往往受许多客观和主观因素的制约,给检验结果带来偏差。笔者经过探讨用二阶 Homatropine hydrobromide eye drops for anticholinergic drugs, it has the expansion of the pupil and adjust paralysis. Due to mydriasis and paralysis ciliary muscle weakness and to maintain a shorter period, so clinically used in mydriasis fundus examination and optometry. The first edition of “China Hospital Preparation Specification” has been accepted and its content is determined by the capacity analysis method of Biphasic acid-base titration. The determination of its end point is often governed by many objective and subjective factors, leading to bias in test results. The author after exploring with second-order