What will be done during the dry eye evaluation

Evaluation of the eyes and surrounding tissues for signs of conditions other than dry eye that may be complicating the picture such as allergy, infection, skin conditions, etc.

Dry eye has 2 main types.

  • Evaporative – The most common type is Evaporative Dry Eye – Tears are made up of three layers: oil, water and mucus…each layer serves a purpose in keeping the eye lubricated. In Evaporative Dry Eye the oil layer (outer surface of the tear film) is deficient (quantity and/or quality) allowing the tears to evaporate too quickly or not spread evenly on the eye. This is usually due to eyelid inflammation or Blepharitis. In an attempt to correct itself, the lacrimal glands produce more aqueous (watery) tears, which do not adhere well to the eye and often run down the cheek.




  • Aqueous deficiency – Aqueous Deficient Dry Eye – The eye does not produce enough aqueous tears due to reduced function or damage to the lacrimal glands from inflammation or as a side effect of certain medications.


Once we have established a probable cause of the condition, a number of different treatments can be administered.

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