A collection of fungi or bacteria on the lid.

The lipid layer forms the double-layered surface of cells.

A condition that results in the loss of eyelashes and, at times, eyebrows.

Also known as MGD. A blockage of abnormality of the Meibomian glands. A leading cause of Dry Eye Disease.

A special kind of sebaceous glands at the rim of the eyelids that supply meibum.

An oily substance that prevents evaporation of tear film.

A number of different factors or causes involved.

Stimulation of the cranial nerve which is directly responsible for innervation of the lacrimal functional unit (LFU), including the...

Relating to the sensory activity or functions of the nervous system.

An allergic irritation of the conjunctiva.