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. Hyperophy and drooping of eyelid, B. Inversion of eyelid, C. Senile eversion of eyelid, D. Distoion of cilia
A: Hyperophy and drooping of eyelid
Answer: A: Hyperophy and drooping of eyelid 
Explanation: Ans. Hyperophy and drooping of eyelid