|Dry Eye Symptoms: Meibomian Gland Dysfunction |
Meibomian gland dysfunction (MGD) is the term used for a family of eyelid margin disorders that cause symptoms such as redness, swelling, itching or burning, dryness, crusty lid margins, grittiness, and even the eventual loss of eyelashes.
MGD is also known as blepharitis, meibomeitis, meibomitis, blepharoconjunctivitis and several other terms. In some studies, blepharitis is considered to be caused by MGD. Currently, there are efforts being made to classify this entire range of co...Read More
Other causes of meibomitis include acne rosacea and blepharitis.
Along the margin of the lids there are a series of small sebaceous glands called the meibomian glands. They create and distribute an oily substance called lipids. Meibomian gland secretions help keep the eye moist and protect the tear film from evaporation. Upon blinking the upper lid comes down presses on the oil and pulls a sheet of oil upwards coating the tear layer beneath to keep it from evaporatin...Read More