眼内感染常并发于穿通性眼球外伤、内眼手术或全身其他部位感染灶的血源性转移。由于药物不易进入眼内,传统的抗生素用法常难予控制,故迄今仍然是眼科临床上导致失明和眼球致残的严重威胁之一。视网膜毛细血管和色素上皮细胞间紧密连接 Intraocular infection often complicated by penetrating eye injury, eye surgery or systemic infection of other parts of the focus of blood-borne metastasis. As drugs are not readily accessible to the eye, traditional antibiotic use is often difficult to control and so far remains one of the most clinically significant causes of blindness and disabling eyeballs in ophthalmology. Retinal capillaries and pigment epithelial cells tightly connected