Dry, itchy or tired eyes can affect day-to-day comfort, especially when reading, working on screens or spending time in air-conditioned environments. For some, these symptoms are occasional and manageable. For others, they may point to an ongoing concern known as dry eye. This occurs when the eyes either don’t produce enough tears or when the tears evaporate too quickly. Managing this condition often involves addressing underlying causes and understanding different approaches available for relief.
In this article, we explore why dry eyes develop, how an ophthalmology clinic may assess symptoms, and what steps might support eye comfort at home and in a clinical setting.
Understanding the Tear Film: Why Dry Eyes Develop
The eye relies on a consistent layer of moisture to remain comfortable. This protective layer, known as the tear film, consists of three components, each playing a different role.
- Lipid (oil) layer: Reduces evaporation by creating a barrier on the surface.
- Aqueous (water) layer: Delivers moisture and carries nutrients to the eye surface
- Mucin (mucus) layer: Allows tears to spread evenly and adhere to the eye
If any one of these layers is affected, the tear film may become unstable. This can result in symptoms such as grittiness, burning, or blurred vision that fluctuates with blinking.
Environmental & Lifestyle Triggers That Worsen Dry Eye Symptoms
Daily activities or surroundings often contribute to dry eye discomfort. Environmental conditions can reduce tear quality, while habits such as prolonged focus on screens may slow blinking.
Common factors include:
- Air conditioning or heating: These reduce humidity, causing quicker tear evaporation
- Long screen time: Fewer blinks per minute when concentrating can dry the eyes
- Wind or smoke exposure: These irritants can destabilise the tear film
- Contact lens use: Wearing lenses for extended periods may affect moisture levels
- Smoking: Tobacco smoke is known to dry the eyes and increase inflammation
Managing these influences, like adjusting indoor air quality or taking screen breaks, may offer relief, particularly when symptoms are mild or seasonal.
When Allergies or Medications Are Behind Your Dry Eyes
Dry eye can also be associated with internal factors such as medications or allergic responses. Some medicines affect moisture production, while allergies may trigger inflammation on the eye surface.
Contributing medications may include:
- Antihistamines & decongestants
- Certain antidepressants
- Oral contraceptives & hormone replacement therapies
- Medications for blood pressure
In addition, allergens like pollen or dust mites may cause the eyes to react, producing irritation and leading to excess tearing or dryness. Pinpointing the source of discomfort may involve a broader health review and discussion with a clinician.
How an Ophthalmologist Diagnoses Dry Eye Syndrome
Dry eye is not always straightforward to identify. During an appointment, several tests may be used to gather more information about tear production and stability
These might include:
- Tear break-up time (TBUT): Measures how long tears remain intact after blinking
- Schirmer’s test: Small strips placed under the eyelids gauge tear volume
- Fluorescein staining: A dye highlights dry patches or damage to the eye surface
- Meibomian gland assessment: Examines glands that produce the oil layer of the tear film
Results from these tests help to determine the type of dry eye present—whether related to low tear volume, tear evaporation, or both—and what kind of care might be most suitable.
Tailored In-Clinic Treatments for Chronic Dry Eye
When self-care options do not improve symptoms, support available at an ophthalmology clinic may be useful. These options aim to improve moisture retention or reduce inflammation contributing to discomfort.
Services might include:
- Preservative-free artificial tears: Often the first step to supplement the tear film
- Punctal plugs: Small devices placed in the tear ducts to slow tear drainage
- Warm compress therapies: Help unblock oil glands for those with evaporative dry eye
- Low-level light therapy: Aimed at supporting oil gland function
- Eyelid cleaning procedures: Useful when debris or inflammation is present
Depending on how symptoms respond, these measures may be applied individually or together.
At-Home Habits to Support Tear Production
Incorporating eye-friendly routines at home can support tear stability. While these steps may not replace other options, they can assist in managing symptoms and minimising triggers.
Helpful habits include:
- Blinking exercises: Especially during screen use, to stimulate tear distribution.
- Using a warm compress: Can help the eyelid glands release protective oils.
- Cleaning eyelids: Reduces the build-up of bacteria and debris.
- Minimising airflow to the eyes: Turning fans away from the face or using protective eyewear outdoors.
- Taking regular breaks from digital devices: Using the 20-20-20 rule—every 20 minutes, look at something 20 feet away for 20 seconds.
Developing these habits gradually and consistently may contribute to long-term comfort.
The Role of Nutrition & Hydration in Eye Health
Diet and hydration also affect eye function. While no single food is a treatment, a balanced diet with nutrients linked to tear support may offer benefits.
Valuable nutrients may include:
- Omega-3 fatty acids: Found in flaxseed, salmon, sardines and walnuts
- Vitamin A: Important for eye surface tissue, found in carrots and leafy greens
- Zinc & antioxidants: Present in legumes, seeds, and colourful vegetables
- Hydration: Drinking water throughout the day can help support tear consistency
Staying hydrated and eating a range of fresh, nutrient-dense foods can contribute positively to overall well-being, including eye comfort.
When to See an Ophthalmologist About Your Dry Eyes
Dryness in the eyes may come and go, but if symptoms are ongoing or impact daily tasks, seeking input from an eye clinic can help guide next steps. Some signs to watch for can include:
- A persistent gritty or foreign body sensation
- Blurred vision that improves with blinking
- Redness that doesn’t go away
- Light sensitivity
- Discomfort with contact lens wear
These may suggest that home care alone isn’t addressing the cause, and further investigation could be worthwhile.
Learn More at Our Ophthalmology Clinic on the Gold Coast
If you’re finding it difficult to manage dry eyes or are unsure what’s causing the symptoms, support is available. At Pacific Eye Clinic, we welcome all enquiries related to eye comfort and vision care. Visit our contact page or call to book a consultation. Our ophthalmologists on the Gold Coast are here to explore your options and guide you through the steps that may support clearer, more comfortable vision.
Author
Dr Marc Wei
Dr. Marc Wei is the principal specialist laser and cataract surgeon at Pacific Eye Clinic in Southport on the Gold Coast. He has 20 years of trusted experience in advanced laser cataract surgery and has completed more than 15,000 procedures over the course of his career.