<prompt> Stye is an acute suppurative inflammation ofGland of MollMeibomian glandGland of ZeisAll of the above  <response>: EXTERNAL HORDEOLUM STYE It is an acute suppurative inflammation of gland of the Zeis. Etiology: Causative organism commonly involved is Staphylococcus aureus. Signs : 1 Stage of cellulitis is characterised by localised, hard, red, tender swelling at the lid margin associated with marked oedema 2 Stage of abscess formation is characterised by a visible pus point on the lid margin in relation to the affected cilia. Usually there is one stye, but occasionally, these may be multiple. Ref:- A K KHURANA; pg num:-345 