滴眼剂系指药物制成供点眼用的澄明溶液或混悬溶液。澄明液中不得含有异物,其混悬液应细腻,易于摇匀,所含最大颗粒不得超过50μm。制备滴眼剂的环境要清洁灭菌。用具容器要严格按操作规程处理干净并行灭菌。溶剂应清洁无菌,pH值对药物的稳定性、溶剂的刺激性以及灭菌程度关系密切,要用适当缓冲剂加以调整。除另有规定外,对滴眼剂要加以调整, Eyedrops means a clear solution or suspension of a drug made for ophthalmic use. Clear liquid shall not contain foreign bodies, the suspension should be delicate, easy to shake, the maximum particles contained shall not exceed 50μm. Preparation of eye drops environment to be clean and sterile. Appliances containers should be strictly in accordance with operating procedures clean parallel sterilization. Solvent should be clean and sterile, pH value of the drug stability, solvent irritation and sterilization are closely related to the use of appropriate buffer to be adjusted. Unless otherwise specified, the eye drops should be adjusted,