Punctal occlusion is a mechanical treatment in which the tear drainage system is blocked in order to aid in the preservation of natural tears on the ocular surface.
封闭泪点是一种机械性治疗，可以阻塞泪液排除系统，使得原有的泪液能保留在眼球表面。
Punctal occlusion is a mechanical treatment in which the tear drainage system is blocked in order to aid in the preservation of natural tears on the ocular surface.
封闭泪点是一种机械性治疗，可以阻塞泪液排除系统，使得原有的泪液能保留在眼球表面。
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