Meibomian gland dysfunction is a disruption of the meibomian glands, which are vital for producing the lipid layer of the tear film.
Meibomian gland dysfunction (MGD) affects about 38% to 68% of individuals older than the age of 40 years (Stapleton et al.), although the prevalence of MGD is difficult to accurately estimate because MGD is frequently asymptomatic (Viso et al.). MGD is both common and yet underdiagnosed.
In traditional MGD, meibomian gland oils become viscous/thickened instead of having a healthy olive oil-like consistency. This results in clogging, causing back pressure and