Dry eye is a condition in which a person doesn't have enough quality tears to lubricate and nourish the eye. Tears are necessary for maintaining the health of the front surface of the eye and for providing clear vision.
People with dry eyes may experience :
Dry eyes can be diagnosed through a comprehensive eye examination (that includes a complete history of your overall health and your eye health). This can help your eye care specialist diagnose the cause of your dry eyes. Testing with emphasis on the evaluation of the quantity and quality of tears produced by the eyes may include:
We can also use a device especially conceived for detecting dry eyes called the “Lipiview”. In a few minutes, this painless exam will help us measure the thickness of the lipids layer, watch the way you blink and have a high-quality imaging of your Meibomius glands. This exam is a part of our preoperative examination at the Bellecour Vision Clinic.
Dry eyes can occur when tear production and drainage are not in balance. People with dry eyes either do not produce enough tears or their tears are of a poor quality:
People with dry eyes often have a combination of those two subtypes
Dry eyes can develop for many reasons, including:
There is no emergency in treating dry eyes. If ever you think about having refractive surgery (for myopia, astigmatism, hyperopia or presbyopia), you will have to make sure you don’t have dry eyes and if you do, treat it. If you had refractive surgery without healthy hydrated eyes, it could compromise the results. What is important is how you feel. If you have symptoms, you should see a doctor.
The treatment will depend on the underlying causes of the dryness, and whatever the causes, re-education will be a big part of the treatment.