Dry Eye Disease
Insufficient or poor-quality tears leave eyes uncomfortable, gritty, and irritated.
A way to think about it
Your eye is like a wet surface that needs constant lubrication. The tear film is a three-layer coating: oily on top (from oil glands), watery in the middle (for moisture), and mucus on the bottom (to spread tears). Dry eye is like this protective coating isn't thick or stable enough—it evaporates too fast or doesn't spread evenly. The exposed surface dries out, getting irritated like chapped lips.
What's happening in the eye
Tear glands under your eyelids and along the eyelid edge produce tears constantly. These tears have oil, water, and mucus in a precise balance. Dry eye happens when you make fewer tears, the tears evaporate too quickly (due to clogged oil glands), or the tear layers separate. This leaves the front of the eye dry and irritated. It's uncomfortable but rarely causes permanent damage if treated.
Common symptoms
- Gritty sensation, like sand in the eye, worse at end of day
- Burning, stinging, or scratchy feeling, especially in dry environments
- Excessive tearing (paradoxically, dry eyes trigger reflex tears)
- Blurry or fluctuating vision, often clears by blinking
- Discomfort with contacts or after screen time
Risk factors
- Screen time—reduces blinking, worsens evaporation
- Meibomian gland dysfunction (MGD)—clogged oil glands in eyelids
- Dry climate, air conditioning, or heating
- Autoimmune conditions like Sjögren's syndrome, lupus, rheumatoid arthritis
- Hormonal changes—menopause, hormone therapy, pregnancy
- Certain medications: antihistamines, decongestants, antidepressants
Treatment options
IPL / OptiLight
Intense pulsed light therapy for meibomian gland dysfunction.
LipiFlow
Thermal pulsation device that clears blocked meibomian glands.
Punctal Plugs
Tiny plugs inserted in tear ducts to retain moisture on the eye.
Prescription Eye Drops (Restasis, Xiidra)
Anti-inflammatory drops that increase tear production.
IPL / OptiLight
Intense pulsed light therapy that reduces inflammation and helps meibomian glands work better.
Warning signs - seek care immediately
- Vision loss that doesn't improve with artificial tears—could signal ulceration
- Severe pain with redness and discharge—could be infection or ulcer
- No improvement after 4 weeks of aggressive treatment—see specialist
- Persistent discharge or crusting despite hygiene—needs antibiotic or evaluation
Questions to ask your doctor
- 1.Do I have aqueous deficiency (low tear production) or evaporative dry eye (MGD)?
- 2.Should I get meibography to see if my oil glands are damaged?
- 3.Is my dry eye from an autoimmune condition? Should I be screened?
- 4.Should I try punctal plugs or other in-office treatments if drops don't help?
- 5.Are there lifestyle changes (screen time, humidity, diet) that would help most?
Dry eye is very common and manageable. Most people find relief with consistent lubrication and simple habits. Few progress to sight-threatening complications with proper care.
Sources
Information on this page is based on the following authoritative sources:
- American Academy of Ophthalmology
- National Eye Institute (NIH)
- American Optometric Association
- Mayo Clinic
Last updated: April 2026