Blepharitis

Blepharitis is inflammation of the eyelids and is very common. It has multiple causes and is often chronic, although it may also occur in an acute form.

Chronic blepharitis is usually associated with obstructive, inflammatory or infectious disease of the eyelid glands.

Meibomian gland dysfunction is the most common cause of chronic posterior blepharitis.

What happens to the Meibomian glands?

Explore the relationship between gland secretions, the lipid layer of the tears and dry eye symptoms. You can play, pause and move through the steps.

Care and treatment

Depending on the cause and clinical assessment, treatment may include:

1 – Warming, massage and eyelid hygiene
2 – Topical artificial tears
3 – Topical or oral antibiotic treatment

This information does not replace an individual medical assessment. Follow the advice of the team looking after you.

Dr. Nuno Lopes · Patient information
Editorial presentation updated on 27 October 2026. Your team's individual instructions take priority.