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与睑缘炎和结膜炎相比,细菌性角膜炎是一种较少见的感染,但它又是一个最严重的疾病,因为该病可以在短时间内出现戏剧性的病程并向眼的深部进展而威胁整个眼球。生理上有不同的机制阻止角膜的炎症:其一是眼睑的自然反射以对眼睛进行一定的清洁;其二是具有抗菌作用的泪膜水层的扩展及其所含组分对潜在危险
Bacterial keratitis is a less common form of infection than blepharitis and conjunctivitis, but it is one of the most serious diseases because the disease develops in a short period of time and goes deep into the eye Progress threatens the whole eye. Physiologically different mechanisms prevent the inflammation of the cornea: one is the natural reflection of the eyelid to clean the eye; the other is the expansion of the aqueous tear film with antibacterial properties and the potential risk to the contained components