69 Meibomianitis

Meibomianitis

Meibomianitis is inflammation of the meibomian glands, a group of oil-releasing (sebaceous) glands in the eyelids. These glands have tiny openings to release oils onto the surface of the cornea.

Meibomianitis is often associated with blepharitis, which can cause a buildup of a dandruff-like substance at the base of the eyelashes.

The glands will be plugged and there will be less oil being made for the normal tear film. These people often presented with symptoms of dry eye. 

The normal lid margin of a young adult male. Note the relationship of lash line, skin, and marginal mucosa with normal meibomian orifices and domes of clear oil that is easily expressed
In meibomian gland dysfunction, there's enlargement, irregularity, inspissation and plugging of the gland orifices.

References

  1. Gary N. Foulks; Anthony J. Bron (2003). Meibomian Gland Dysfunction: A Clinical Scheme for Description, Diagnosis, Classification, and Grading. , 1(3), 107–126. doi:10.1016/s1542-0124(12)70139-8 
  2. https://medlineplus.gov/ency/article/001621.htm#:~:text=Meibomianitis%20is%20inflammation%20of%20the,the%20surface%20of%20the%20cornea.