Blepharitis: Causes, Symptoms and Treatment
Blepharitis is an inflammation of the eyelids that causes redness, swelling, and crusting along the eyelid margins. It is often chronic but manageable with proper care.
Things worth knowing about "Blepharitis"
Blepharitis is an inflammation of the eyelids that causes redness, swelling, and crusting along the eyelid margins. It is often chronic but manageable with proper care.
What is Blepharitis?
Blepharitis is an inflammation of the eyelids, primarily affecting the eyelid margins where the eyelashes grow. It is one of the most common eye conditions and can occur at any age. The condition is often chronic, meaning it tends to recur or persist over time. While it rarely threatens vision, it can significantly affect quality of life and daily comfort.
Types of Blepharitis
There are two main forms of blepharitis:
- Anterior blepharitis: Affects the outer edge of the eyelid at the base of the eyelashes. It is commonly caused by bacteria (particularly Staphylococci) or seborrhoeic dermatitis, a condition involving flaky, oily skin.
- Posterior blepharitis (Meibomian gland dysfunction): Affects the Meibomian glands located inside the eyelid margin. These glands produce the oily layer of the tear film, and their dysfunction leads to dry eye symptoms and irritation.
Causes
Blepharitis can result from several different causes:
- Bacterial infections: Especially Staphylococcus aureus and Staphylococcus epidermidis
- Seborrhoeic dermatitis: An inflammatory skin condition causing flaking and oiliness that can extend to the eyelid margins
- Demodex mites: Microscopic mites that live in eyelash follicles and can trigger inflammation
- Meibomian gland dysfunction: Blockage or overproduction of the oil glands in the eyelid margins
- Rosacea: A chronic skin condition frequently associated with ocular involvement
- Allergic reactions to cosmetics, eye drops, or contact lens solutions
Symptoms
Common symptoms of blepharitis include:
- Redness and swelling of the eyelids
- Crusts or flakes at the base of the eyelashes, especially upon waking
- Burning, itching, or a gritty sensation in the eyes
- Sensitivity to light (photophobia)
- Watery or dry eyes
- Eyelids stuck together in the morning
- Occasional blurred vision due to an unstable tear film
Diagnosis
Blepharitis is typically diagnosed through an ophthalmic examination. The eye specialist examines the eyelid margins using a slit lamp, a specialised microscope used for detailed examination of the front of the eye. This allows identification of crusting, scaling, structural changes to the lid margin, and Meibomian gland dysfunction. In some cases, a swab may be taken for microbiological analysis.
Treatment
A complete cure for chronic blepharitis is often not possible, but symptoms can be well controlled with consistent management.
Eyelid Hygiene
The cornerstone of treatment is regular eyelid cleansing. The eyelid margins should be cleaned daily using a warm compress followed by gentle scrubbing with a damp cloth or specialised eyelid wipes. Warm compresses help to loosen thickened secretions in the Meibomian glands and improve their drainage.
Medical Treatment
- Antibiotic eye drops or ointments (e.g., erythromycin, azithromycin) for bacterial blepharitis
- Oral antibiotics (e.g., doxycycline) for severe cases or rosacea-associated blepharitis
- Topical corticosteroids for short-term reduction of inflammation
- Artificial tears to relieve dryness and irritation
- Tea tree oil-based preparations for Demodex-related blepharitis
Diet and Lifestyle
Omega-3 fatty acids (found in oily fish or fish oil supplements) may support Meibomian gland function. Avoiding eye make-up during flare-ups and maintaining careful contact lens hygiene are also recommended.
Complications
If left untreated or in severe cases, blepharitis can lead to the following complications:
- Hordeolum (stye): Acute bacterial infection of an eyelid gland
- Chalazion: Chronic granulomatous inflammation caused by a blocked Meibomian gland
- Conjunctivitis: Inflammation of the conjunctiva (the membrane covering the white of the eye)
- Keratitis: Inflammation of the cornea in rare cases
- Chronic dry eye syndrome
When to See a Doctor
Medical advice should be sought if symptoms persist for more than a few days, worsen over time, or are accompanied by changes in vision. Severe pain, pronounced swelling, or purulent discharge from the eye warrants prompt consultation with an ophthalmologist.
References
- Amescua G. et al. - Blepharitis Preferred Practice Pattern. American Academy of Ophthalmology, Ophthalmology 2019; 126(1): P56-P93.
- Lindsley K. et al. - Interventions for chronic blepharitis. Cochrane Database of Systematic Reviews 2012.
- Efron N. - Contact Lens Complications, 3rd edition. Elsevier 2012.
Building Blocks for a Healthy Life
As an integrated manufacturer, we develop & produce evidence-based, patented, and non-patented formulations. We work exclusively with plant and natural extracts according to the strictest purity & quality standards.
The combination of science & modern technology with the laws of nature creates solutions consistently tailored to humans – for the highest good: health.
Most purchased products
For your iron balance
Specially formulated for your iron balance with plant-based curry leaf iron, Lactoferrin CLN®, and natural Vitamin C from rose hips.
For your universal protection
As one of the most valuable proteins in the body, lactoferrin is a natural component of the immune system.
For Healthy Oral Flora & Dental Care
Formulated lozenges with Dentalac®, lactic acid bacteria, and Lactoferrin CLN®Most read entries
3 Posts in this encyclopedia categoryMagnesiumcarbonat
Calorie content
Cologne list
Related search terms: Blepharitis