Types of Dry Eye Disease
Evaporative Dry Eye Disease
This is where the eyes are producing enough tears, but the protective oil layer isn't working well. This is often due to an irritated eyelid margin causing blockages of the meibomian glands that secrete the protective oil layer into the tears.
Symptoms include blurred vision after working on screens or reading for 20 minutes. Gritty, red eyes, especially at the edge of the eyelids. Watering, and tearing especially on windy days. Grittiness, light sensitivity and foreign body sensations are also common.
The most common causes of evaporative dry eye disease is blepharitis, meibomian gland dysfunction, demodex infestation and ocular rosacea.
Aqueous Deficient Dry Eye Disease
This is when the lacrimal gland is not producing enough of the watery layer of your tears. It is highly associated with Sjorgren's Syndrome and some types of autoimmune conditions.
Treatments will vary depending on type and severity. They may include: