眼眶最常见的恶性肿瘤是转移瘤，富血管的脉络膜层是最常见的受累部位。
The most common malignancy found in the orbit is a metastatic deposit. The richly vascularized choroid layer is the most common site of involvement.
视网膜色素上皮(RPE)细胞位于视网膜感觉层和脉络膜之间，构成视网膜外屏障，在视网膜的代谢中起到重要的作用。
Retinal pigment epithelial (RPE) cells lie between the sensory retina and the choroids, constitute the outer blood retinal barrier and play a vital role in the retinal metabolism.
VIP表达主要位于视网膜光感受器外节、内核层、内网状层和脉络膜，神经节细胞层和神经纤维层也有弱表达；
The expression of VIP exists on photoreceptor- outer segment, inner nuclear layer and inner plexiform layer of retina and choroids, and weak expression exists on ganglion cell and nerve fiber layer.
目的观察不同参数的竹红菌乙素-光动力学疗法（HB-PDT）对青紫蓝兔脉络膜毛细血管层的生物学效应以及对视网膜的非选择性损伤，为临床应用HB-PDT疗法治疗脉络膜新生血管（CNV）提供依据。
Objective To compare the biological effects of different treating parameters of HB-PDT on choroid and retina and to supply the basic study of HB-PDT in treating choroidal neovascularization (CNV).
正常状况下，黄斑部与脉络膜之间，有一层极薄之组织保护著。
Normal circumstances, and macular between the choroid, an extremely thin protection of the organization.
正常状况下，黄斑部与脉络膜之间，有一层极薄之组织保护著。
Normal circumstances, and macular between the choroid, an extremely thin protection of the organization.
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