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Meibomian Gland Evaluator

Meibomian Gland Evaluator

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Standardized, repeatable evaluation of meibomian gland function

The Meibomian Gland Evaluator (MGE) provides a standardized, repeatable evaluation of meibomian gland function by applying the pressure of a deliberate blink while observing gland secretions through a slit lamp.

The MGE can be easily added into a routine eye exam and allows eye care professionals to quickly and easily assess and track changes in gland function.1



Functioning vs Blocked Glands

Functioning oil gland secretion


Blocked eyelid oil gland secretion

Learn more about MGD


MGE Features

  • Standardized, repeatable evaluation of meibomian gland function
  • Easily added into a routine eye exam
  • Determine function, track progression of obstruction of meibomian glands and determine treatment response
  • Designed to be accessible for every eye care professional




The Meibomian Gland Evaluator is a hand held instrument used by a physician to evaluate Meibomian gland secretions in adult patients during a routine eye examination. The instrument provides a standardized method to apply consistent, gentle pressure to the outer skin of the lower eyelid while visualizing the secretions from the Meibomian gland orifices through a slit lamp biomicroscope.


No contraindications are known.


  • Do not depress the shaft to the endpoint of the spring. Do not apply any additional force after the shaft has been depressed approximately 6 mm. Applying additional force negates the benefit of using the instrument to apply standard force.
  • Familiarity with use of a slit lamp biomicroscope is required to use Meibomian Gland Evaluator for assessment of the meibomian gland secretions.


To ensure proper use of the Meibomian Gland Evaluator, review the warnings below.

  • Do not use Meibomian Gland Evaluator if the package is open or broken. Do not use Meibomian Gland Evaluator if it appears broken or has sharp edges or rough surfaces upon initial inspection.
  • Maintain proper infection control procedures including cleaning hands before handling the device and before evaluation of each patient. Disinfect the instrument with alcohol after each use and between patients.
  • Avoid contact of the devices with the eye. Instruct the patient to look up and away to avoid injury to the cornea in the event the contact surface inadvertently touches the eye.


Potential adverse effects that are unlikely but may occur with use of the Meibomian Gland Evaluator include but are not limited to:

  • Skin abrasion (e.g., from a rough surface on the device)
  • Eye abrasion (e.g., from improper contact of the instrument with the eye)
  • Infection of the skin or eye (e.g., from improper or lack of disinfection after use and between patients)
  • Allergic or toxic reaction (e.g., from exposure to any residue on device during user handling)


Reference the Meibomian Gland Evaluator Package Insert for a complete listing of indications, warnings, and precautions.


Images for illustrative purposes only. Actual results may vary. Not actual patients or healthcare professionals.

1. TearScience® MGE IFU, International.



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