向眼球内注入药物是最困难也是最重要的问题之一,由于有血—眼屏障,一般注射方法(皮下,肌注,静注)严重限制了药物达到治疗量的可能性。众所周知的是,青霉素和许多其他抗菌素,静脉注射,不能很好的渗透到眼球内。药物的电离子透入法,在实践上亦受局限,故动脉内注射药物,在现代外科中获得了相当的重视。但是,在眼科中,对于颈动脉内注射制剂,虽在原 Drug injection into the eyeball is one of the most difficult and most important problems. Due to blood-eye barrier, the general injection method (subcutaneous, intramuscular injection, intravenous injection) severely limits the possibility that the drug will reach the therapeutic level. It is well known that penicillin and many other antibiotics, administered intravenously, do not penetrate well into the eyeball. Drug iontophoresis, in practice also limited, so the intra-arterial injection of drugs, in modern surgery has received considerable attention. However, in ophthalmology, although the carotid artery injection preparation, although in the original