The meibomian gland oils were found to be insoluble in water and could not be hydrated. These oils, when warmed to body temperature, could spread to form a thick multimolecular film which could not retard evaporation.
No takes yet. Share an insight, caveat, or question.
Stuart I. Brown (1969) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: