Blepharitis is a very common condition affecting both upper and lower eyelids which contain many glands, called meibomian glands. These are located underneath the skin, their pores opening just behind the base of the lashes on the eyelid margin. These glands produce oil, which is an important component of tears.

In blepharitis the glands become inflamed, their pores become blocked and the inflammation can affect the surface of the eye, as well as the eyelid.

Blepharitis is not a sight threatening condition, but it can be troublesome and tends to recur. Prolonged treatment may therefore be required.

There are several different types of blepharitis, all due to inflammation of the eyelid margin.

As well as causing eye irritation, soreness, redness and crustiness, other less common symptoms may be experienced, such as intermittent blurred vision, ‘tired’ eyes and the formation of chalazia, which are eyelid cysts.

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