RT Book, Section A1 Duncan, Jacque L. A1 Parikh, Neeti B. A1 Seitzman, Gerami D. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184192027 T1 Disorders of the Lids & Lacrimal Apparatus T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184192027 RD 2024/03/28 AB Hordeolum is an acute infection that is commonly due to Staphylococcus aureus. It is characterized by a localized red, swollen, acutely tender area on the upper or lower lid (eFigure 7–7). Internal hordeolum is a meibomian gland abscess that usually points onto the conjunctival surface of the lid; external hordeolum, or stye, is usually smaller and on the lid margin and is an abscess of the gland of Zeis.