This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Tylosis refers to 
Select and explain. 
A. Inward misdirection of eye lashes, B. Adhesion of lids with eyeball, C. Chronic infection of lid margin, D. Hypertrophy and drooping of eyelid
D: Hypertrophy and drooping of eyelid
Answer: D: Hypertrophy and drooping of eyelid 
Explanation: None