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Dry Eye Disease

Dry eye disease is caused by a chronic lack of sufficient lubrication and moisture on the surface of the eye.

Dry eye can cause a scratchy sensation or the feeling that something is in the eye, with people often complaining of irritated, itchy, watery eyes.

Dry eye disease is fairly common affecting about 20 per cent of the population and is more prevalent in an older population and in particular with females.

Meibomian gland dysfunction (MGD) is the leading cause of dry eye disease where the glands are not secreting enough oil or when the oil they secrete is of poor quality. Meibomian glands are the tiny oil glands which line the margin of the eyelids (the edges which touch when the eyelids are closed).

Some of the symptoms of dry eye disease include some or all of the following:
  • Scratchy sensation or a feeling that something is in the eye
  • Stinging or burning
  • Episodes of excess tearing that follow periods of dryness, discharge, pain and redness in the eye
  • Itchiness
  • Dryness
  • Eye fatigue
  • Feeling that the eyelids are heavy
  • Experiencing blurred vision
Factors that can contribute to dry eye include:
  • A range of medications including antihistamines, decongestants, anti depressants, birth control pills, hormone replacement therapy to relieve symptoms of menopause, medications for anxiety, Parkinson’s disease, and high blood pressure have been associated with dry eye disease
  • Ageing is a risk factor for the decline in tear production. Dry eye is more common in people aged 50 years or older
  • Rosacea (an inflammatory skin disease) and blepharitis (an inflammatory eyelid disease) can disrupt the function of the meibomian glands
  • Autoimmune disorders such as Sjögren’s Disease, lupus, scleroderma, and rheumatoid arthritis and other disorders such as diabetes, thyroid disorders, and Vitamin A deficiency are associated with dry eye
  • Hormonal changes during pregnancy and after menopause have been linked with dry eye. Women also have an increased risk for autoimmune disorders
  • Windy, smoky or dry environments increase tear evaporation
  • Seasonal allergies can contribute to dry eyes
  • Prolonged periods of digital screen time encourage insufficient blinking which can be a contributing factor
  • Laser eye surgery may cause temporary dry eye symptoms
A range of dry eye treatments are available including:
  • Artificial eye drops often provide short-term relief along with the application of a warm compress to help loosen any blockages in the oil glands.
  • Blephasteam is an eyelid warming device using moisture and heat to treat meibomian gland dysfunction. The treatment sessions are short and work well for most people with Meibomian gland dysfunction
  • Intense Regulated Pulsed Light (IRPL) can provide long-term relief. It is a non-invasive treatment, utilising IRPL to stimulate the secretion and the contraction of the meibomian glands. It is quick, gentle and can offer long-lasting relief.

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