This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
The stye is other name of 
Select and explain. 
A. Chalazion, B. Hordeolum internum, C. Hordeolum externum, D. None of the above
C: Hordeolum externum
Answer: C: Hordeolum externum 
Explanation: (Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no.367)Acute infection of Zeis (Moll) gland - Stye (Hordeolum externum)Acute infection of the tarsal gland (Meibomian gland)- Hordeolum internumChronic infection of the tarsal gland (Meibomian gland)- Chalazion