- Study guides, Class notes & Summaries

What is blepharitis and its common causes? Blepharitis is chronic inflammation of the eyelid margins due to bacterial colonization (commonly Staphylococcus) or seborrheic dysfunction, often associated with risk factors like rosacea, seborrheic dermatitis, contact lens use, and poor eyelid hygiene. How can you differentiate between hordeolum and chalazion? Hordeolum (stye) is an acute, painful, red, swollen nodule at the eyelid margin due to infection, while chalazion is a chronic, no...