Sjögren’s syndrome attacks the glands that produce tears, leading to a persistent and often severe form of dry eye that goes well beyond occasional irritation. The immune system sends white blood cells into the tear-producing (lacrimal) glands, where they cluster near blood vessels and ducts, gradually destroying the tissue responsible for keeping your eyes moist. This process reduces both the volume and quality of your tears, leaving the surface of the eye vulnerable to damage, infection, and in serious cases, permanent vision loss.
What Happens Inside the Tear Glands
Sjögren’s is an autoimmune disease, meaning the body’s immune system mistakenly targets its own tissues. In the eyes, the primary target is the lacrimal gland. Immune cells, mostly lymphocytes, infiltrate the gland and form clusters that disrupt normal function. At the same time, elevated levels of certain inflammatory signals cause the gland’s lining cells to break down and die. This combination of immune cell invasion and direct cellular damage progressively reduces the gland’s ability to secrete tears.
The result isn’t just fewer tears. The tears that are produced often lack the right balance of water, oils, and protective proteins. This makes them evaporate faster and do a poorer job of lubricating and protecting the cornea, the clear front surface of the eye.
What Dry Eye Feels Like in Sjögren’s
The eye symptoms of Sjögren’s tend to be more persistent and more severe than ordinary dry eye. Common sensations include a gritty or sandy feeling, as if something is stuck in your eye, along with burning, stinging, and eye fatigue. Many people also experience light sensitivity, blurry vision, and redness. These symptoms typically worsen with prolonged reading or screen time and in environments with low humidity, wind, or air conditioning.
One frustrating aspect is that the eyes can paradoxically water. When the cornea becomes irritated enough, it triggers reflex tearing, a flood of watery tears that lack the oil and mucus layers needed to actually stick to the eye surface. So even though your eyes may water, the underlying dryness persists.
The Disconnect Between Symptoms and Damage
An interesting pattern in Sjögren’s is that the people with the most measurable eye damage don’t always report the worst pain. Research from the Sjögren’s International Collaborative Clinical Alliance found that patients who test positive for the SSA antibody (a hallmark blood marker of the disease) tend to have more severe clinical signs, including lower tear production and more damage to the eye surface, yet report less spontaneous eye pain than patients without the antibody. Fifty-seven percent of SSA-positive patients had objectively low tear production, compared to 28% of non-Sjögren’s dry eye patients.
This means you can’t rely on how your eyes feel to gauge how much damage is occurring. Regular eye exams with surface staining tests are important for catching damage that may not yet cause significant discomfort.
Corneal Complications and Vision Risk
When the cornea goes without adequate tear coverage for long enough, it becomes vulnerable to serious complications. Roughly 2.5 to 3.6% of Sjögren’s patients develop corneal ulcers or perforations, conditions where the cornea breaks down or develops a hole. Most of these ulcers are sterile, meaning they result from the dryness itself rather than an infection, though infection can follow once the surface is compromised.
In a study of 46 eyes with Sjögren’s-related corneal ulceration, more than half had visual acuity worse than 20/200 at the time they were diagnosed with the ulcer. While treatment improved vision on average, many eyes still had significantly reduced sight at follow-up. Larger areas of corneal melting, particularly those exceeding about 7 millimeters, often required surgical intervention such as tissue grafting. These are not common outcomes, but they underscore why managing Sjögren’s dry eye proactively matters.
Meibomian Gland Dysfunction
Sjögren’s is classically described as causing “aqueous deficient” dry eye, meaning the watery component of tears is reduced. But many patients also develop problems with the meibomian glands, tiny oil-producing glands along the eyelid margins. These glands create the oily outer layer of the tear film that prevents evaporation. When they become blocked or dysfunctional, tears evaporate too quickly, compounding the dryness from reduced tear production. In dry eye clinic populations, about half of Sjögren’s patients also have meibomian gland dysfunction, meaning they’re dealing with both types of dry eye simultaneously.
How Sjögren’s Dry Eye Is Diagnosed
Eye doctors use several tests to evaluate the severity of dryness and surface damage. The Schirmer test is one of the most straightforward: a small strip of filter paper is placed inside the lower eyelid for five minutes, and the length of paper that becomes wet is measured. Normal is generally above 10 millimeters. A result of 5 millimeters or less in five minutes is one of the diagnostic criteria for Sjögren’s syndrome.
To assess corneal and conjunctival damage, doctors apply special dyes to the eye surface. Fluorescein highlights damage on the cornea, while lissamine green reveals damage on the white part of the eye (conjunctiva). These staining patterns are scored using standardized systems like the Ocular Staining Score, which gives clinicians a way to track whether the eye surface is getting better or worse over time.
Treatment for Sjögren’s Dry Eye
Managing Sjögren’s dry eye usually involves layering multiple approaches, starting with the simplest and escalating based on severity.
Artificial Tears and Lubricants
Preservative-free artificial tears are the first line of defense. They replace moisture on the eye surface and provide temporary relief. Most Sjögren’s patients need them multiple times a day. For nighttime dryness, thicker gel or ointment formulations help protect the cornea during sleep, when tears aren’t replenished by blinking.
Anti-Inflammatory Eye Drops
Because Sjögren’s dry eye is fundamentally driven by inflammation, drops that calm the immune response on the eye surface are a cornerstone of treatment. Three main options exist:
- Steroid drops work quickly and are typically used in short pulses of about two weeks to break an acute flare of inflammation. They aren’t suitable for long-term use due to side effects like increased eye pressure.
- Cyclosporine drops reduce inflammation by suppressing the immune cells on the eye surface. They take longer to work, typically 4 to 12 weeks, but are safe for ongoing use and have been shown to improve tear production and increase the density of mucus-producing cells on the eye surface. Sjögren’s patients tend to respond faster to cyclosporine than people with other forms of dry eye.
- Lifitegrast drops block a specific step in the inflammatory chain reaction on the eye surface. They work faster than cyclosporine, with improvement often noticeable within 2 to 4 weeks.
Punctal Plugs
If you’re still not retaining enough moisture, your eye doctor may recommend punctal plugs, tiny devices inserted into the tear drainage openings in your eyelids. By partially or fully blocking tear drainage, they help whatever tears you produce stay on the eye longer. Studies show they improve corneal staining scores, indicating less surface damage. The main drawback is retention: about 29% of plugs fall out within the first month, and some designs hold better than others. Temporary collagen plugs dissolve on their own and are sometimes used as a trial before placing longer-lasting silicone versions.
Blood-Derived Eye Drops
For severe cases that don’t respond to conventional treatments, eye drops made from your own blood serum can be effective. These autologous serum drops contain growth factors and other nutrients naturally found in tears that artificial drops can’t replicate. Preparation involves drawing blood, allowing it to clot, then spinning it in a centrifuge to separate the serum, which is diluted and bottled as eye drops. A related option uses platelet-rich plasma, which has a shorter preparation time. Both are typically reserved for patients with significant corneal surface damage who haven’t improved with standard therapies.
Daily Habits That Help
Environmental adjustments can make a meaningful difference alongside medical treatment. Using a humidifier at home, especially in heated or air-conditioned rooms, helps slow tear evaporation. Wraparound glasses or moisture chamber glasses reduce exposure to wind and dry air outdoors. Taking regular breaks during screen time (following the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds) reduces the strain that comes from decreased blink rates during focused visual tasks. Warm compresses applied to closed eyelids for 5 to 10 minutes can help keep meibomian glands functioning, improving the oily layer of the tear film.