Dry eye syndrome is a prevalent condition that affects millions of people globally, including 30% of Canadians. One common symptom of dry eye syndrome is, indeed, blurred vision. This occurs when the tear film, which is vital for maintaining the uniform surface of the eye, becomes disrupted. Understanding how dry eyes impact your vision is the first step to effective management and relief.
Comprehensive eye exams help detect dry eye syndrome early. These exams can identify underlying causes and ensure appropriate treatments to restore your comfort and visual clarity.
Why Does Dry Eye Syndrome Cause Blurred Vision?
There are two factors that contribute to dry eye syndrome causing blurred vision:
The Role of the Tear Film
A healthy tear film plays a critical role in vision by ensuring the eye’s surface remains smooth, hydrated, and clear. It consists of three layers:
- Oil layer: Prevents evaporation of tears.
- Water layer: Provides hydration and nutrients.
- Mucus layer: Spreads tears evenly across the eye.
Disruption in any of these layers can cause the tear film to break apart, leading to an uneven optical surface and resulting in blurry or fluctuating vision.
Tear Film Instability
Dry eye syndrome can lead to insufficient tear production or rapid evaporation, both of which can compromise the tear film. The resulting instability makes it harder for light to refract properly, causing blurred vision.
Common Causes of Dry Eye Syndrome
Dry eye syndrome affects people of all ages. Lifestyle and medical conditions can also make a difference.
Age
Tear production naturally declines with age, making dry eyes more common in older adults. Hormonal changes, particularly during menopause, can exacerbate dryness.
Environment & Lifestyle
Exposure to dry or windy climates, air conditioning, or prolonged screen use can accelerate tear evaporation and lead to discomfort.
Health Conditions & Medications
Certain medical conditions, like Sjögren’s syndrome or diabetes, as well as certain medications, such as antihistamines, can reduce tear production.
Regular eye exams can identify these risk factors early, ensuring prompt management.
How to Treat Dry Eye Syndrome
While dry eye syndrome can be a chronic condition, it’s manageable with the right treatment approach. These classic treatments may be the solution for you:
- Artificial tears: Over-the-counter lubricating eye drops can provide temporary relief by supplementing your natural tears.
- Prescription medications: For persistent symptoms, your optometrist may prescribe medicated eye drops to reduce inflammation and improve tear production.
- Omega-3 fatty acids: A diet rich in omega-3s or taking supplements can improve tear quality and reduce inflammation. Incorporating foods like salmon, avocado, and nuts can help improve eye health.
- Lifestyle adjustments: Small changes, like taking breaks during screen use or using a humidifier, can alleviate symptoms and maintain a healthier tear film.
In-Office Therapies for Dry Eye Relief
For individuals experiencing chronic dry eye symptoms, modern treatments can help restore tear film stability and improve comfort. Several in-office procedures target the underlying causes of dry eyes rather than just alleviating symptoms.
LipiFlow: How It Works
LipiFlow is a treatment designed to address meibomian gland dysfunction (MGD), a leading cause of dry eye. The meibomian glands in your eyelids produce a layer of oil that prevents tears from evaporating too quickly. When these glands become blocked, the tear film becomes unstable, leading to irritation and fluctuating vision.
LipiFlow works by using a gentle thermal pulsation therapy—a combination of controlled heat and pulsating pressure—to warm and massage the inner eyelids. The heat melts clogged oil (meibum), while the pressure helps the oil flow freely, thereby stabilizing the tear film. The procedure typically takes 12 minutes per eye, with results lasting up to 12 months, though some patients may need additional sessions for optimal effectiveness.
OptiLIGHT by Lumenis
OptiLIGHT is the first and only FDA-approved intense pulsed light (IPL) treatment for dry eye management. This light-based, noninvasive therapy is applied to the area below the eyes to target inflammation—a key contributor to dry eye disease.
Backed by over 20 clinical studies, OptiLIGHT delivers precise pulses of light to:
- Reduce inflammation that exacerbates dry eye symptoms
- Improve tear break-up time for longer-lasting hydration
- Increase meibomian gland functionality to enhance natural oil production
This treatment is safe, gentle, and effective, making it a promising option for those struggling with persistent dry eye symptoms.
Scleral Contact Lenses
Scleral contact lenses are custom-designed rigid gas permeable lenses that vault over the cornea, resting on the sclera (the white of the eye). This design creates a moisture reservoir, which continuously hydrates the eye while allowing oxygen to reach the cornea.
Originally developed for individuals with keratoconus and irregular corneas, scleral lenses are also a highly effective solution for managing severe dry eye. The structure of these lenses helps protect the eye from external irritants while promoting long-term hydration and comfort.
Lid Care for Better Oil Flow
The meibomian glands in the eyelids produce essential oil (meibum) to prevent moisture evaporation from the eye’s surface. Keeping the eyelids clean helps ensure that these oils flow freely rather than becoming clogged by bacteria, debris, or inflammation.
Proper lid care can be particularly beneficial for patients with MGD or blepharitis, conditions that can significantly contribute to dry eye. Regular eyelid hygiene—such as warm compresses, eyelid scrubs, or professional treatments—can stimulate oil flow, reduce inflammation, and improve overall eye comfort.
Each of these treatments offers targeted relief for dry eye, helping to restore tear stability and improve overall eye health. Your optometrist can help determine the best therapy for your specific needs.
Quick Tips for Preventing Blurred Vision from Dry Eye
Prevention is key to avoiding discomfort and maintaining clear vision. These strategies can help:
- Stay hydrated and consume a balanced diet rich in omega-3s.
- Follow the 20-20-20 rule to reduce strain during screen use.
- Use protective eyewear in dry or windy environments.
- Avoid rubbing your eyes, as it can worsen symptoms and disrupt the tear film.
When to See an Optometrist
If you experience persistent blurred vision, irritation, or other symptoms of dry eye syndrome, it’s time to consult an optometrist. Left untreated, dry eyes can lead to complications, including corneal damage or increased risk of eye infections.
Thornhill’s Choice for Dry Eye Consultation
If dry eye syndrome is affecting your quality of life, professional care can make a difference. At Lowy & Sewell Eye Care, we’re here to help you tackle frustrating issues like dry eye syndrome with treatments tailored to your situation.
Our team offers a range of services, from dry eye treatment to comprehensive eye exams, ensuring your eyes receive the care they need. Book your appointment today to take the first step towards clearer, more comfortable vision.
