Blepharitis.

Definition: It is the chronic inflammation of the eyelid margin. Signs and symptoms: --Burning due to break of pre-corneal tear film. --Photophobia due to affecting cornea. --Watering due to friction of the cornea with eye lashes. --Madarosis. --Poliosis. --Itching. --Gritting --Greasy eye lashes. Secondary cause by blepharitis: --Dry eye. --Conjunctivis. --Keratitis. --Stye. --Meibomitis. --Chalazion. Organism: Stephylococcus. Management: --Lid hygiene. --Warm compress. --Systemic tetracycline. --Erythromycin for children. --Artificial tear eye drop. --Antibiotic eye drop. --Steroid eye drop depend on the severity of the inflammation. Classification: --Anterior or seborrhoeic blepharitis. --Posterior or ulcerative blepharitis. Follow up: Needed.