Eyelid Anatomy
The eyelid protects the eye from injury and from drying out. The meibomian glands of the eyelid secrete a very important oil that, combined with the watery tears, lubricates the ocular surface. The inside of the eyelid is covered by conjunctiva, as is the eyeball itself. The conjunctiva secretes a protein for the tear film. Not shown in these pictures is the lacrimal gland; it is tucked away under the upper, outer eyelid. The lacrimal gland makes the watery portion of your tear film. The protein, oil and water need to be of high quality and correct proportions to prevent “dry eye syndrome,” more appropriarely called “tear deficiency.”
