Blepharitis and Dry Eye: How They Are Related

Do you notice red, itchy eyes and sticky or crusty eyelids, especially when you wake up? It’s a complaint that tends to come back every few weeks. The symptoms of blepharitis and dry eye are so alike that they’re often confused, and they frequently appear together. Here we explain the difference and why it matters for treatment.

What blepharitis is

Blepharitis is inflammation of the eyelid margins – the narrow strip where your lashes grow. It’s common, often long-running, and tends to come and go rather than clear up for good. It’s also closely tied to dry eye; in fact, the two so often appear together that treating one usually means dealing with the other.

The blepharitis–dry eye connection

The meibomian glands that keep your tears from evaporating open right onto that same eyelid margin. So when the margin is inflamed, those glands get caught in the crossfire – their oil thickens and struggles to flow, and the tear film loses its protective top layer. That’s why blepharitis so often drives evaporative dry eye, and why calming the lids and steadying the tears go hand in hand.

Signs of blepharitis

It tends to show up as a familiar set of signs, often worse first thing in the morning:

• Crusty or sticky lashes on waking.
• Red, itchy or slightly swollen eyelid margins.
• A gritty, burning, foreign-body feeling.
• Flaky skin along the lash line.
• Recurrent styes or blocked glands.

The two main types

Blepharitis is usually grouped into two forms, and many people have a mix of both:

• Anterior blepharitis affects the front of the eyelid, where the lashes grow. It can go along with slightly oily or flaky skin, with bacteria, or with tiny mites called Demodex.
• Posterior blepharitis has more to do with the eyelid glands (the meibomian glands), although it isn’t exactly the same as calling it “MGD”.
• Tiny mites, Demodex, are linked mainly to anterior blepharitis and to small “sleeves” at the base of the lashes.

Care according to the type

Treatment depends on the type and on what is seen. It can include eyelid cleaning, warm compresses when there’s a gland problem, treatments against Demodex, lubrication or a prescribed medicine. Gently cleaning the lid margin helps remove crusts and debris; it isn’t just about “removing bacteria”. Cleaning usually helps control the symptoms, but there’s no single routine that suits everyone or that must be kept up forever (patient information from the National Eye Institute).

How Smart Dry Eyes helps

We look at the lid margins and the glands, see which type of blepharitis you have, and treat both the inflammation and the dry eye that usually comes with it. Then we suggest a simple routine tailored to your eyelids. Seek advice if you have pain, discomfort with light, changes in vision, marked swelling, discharge, a lump that doesn’t go away, loss of lashes in one area, or if one eyelid is much more affected.

Frequently Asked Questions

Is blepharitis contagious?

No, ordinary blepharitis isn’t contagious, even when bacteria that normally live on our skin are involved. It isn’t spread by being close to someone, or by looking at or talking with another person. National Eye Institute

That said, some contagious conditions — especially viral or bacterial conjunctivitis — can look like blepharitis or appear at the same time.

Can I treat blepharitis myself?

Regular lid hygiene and warm compresses help. With persistent inflammation, however, it should be assessed by a professional.

Will dry eye disappear once blepharitis is treated?

It often improves markedly, as the two are linked. Sometimes a targeted dry eye therapy is also needed.

Prefer to be seen in person? Find your nearest Smart Dry Eyes clinic in Germany, Switzerland, Andorra or Mexico.

Note: This article is for general information and does not replace a medical diagnosis or treatment. If symptoms persist or are severe, please consult an eye doctor.