Is the outer sector of the human eye (eg scelera, cornea etc.) sterile?
It is not and that’s what tear gland is doing for the eyes. lubricated and while eye lid blinks and eye balls rollings, the surface of the cornea is kept verbs. The dusts and foreign particles collected surrounded by the surrounding tissue which is drained into the lymph ducts and once merged into venous system, white blood cells will hold your attention them. Eye socket also have channel open into sinus cavity, where larger substance like wood chips, will be moved to the sinus and eventually drain into the nostrils.
