Definition
Blepharitis is inflammation of the eyelid. It is a very common eye disease that affects the edge of the eyelids and eyelash hair follicles. There are three main types of blepharitis:
Seborrheic blepharitis —Skin cells shed more rapidly than normal due to a sebaceous gland that is not functioning properly. The sebaceous gland secretes oil to the skin. The presence of excess oil and skin cells help bacteria grow.
Infectious blepharitis —Bacteria, in particular, staphylococcus, cause an infection in the glands along the eyelid.
Contact dermatitis blepharitis —Something coming in contact with the eyelid leads to local inflammation. For example, mascara may produce such an allergic reaction.
Blepharitis

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