Which of the statements are true for Meibomian gland dysfunction? A: Mainly affect younger people B: Obstruction of the meibomian duct or abnormal secretion C: Hot compresscan be beneficial D: Causes aqueous tear deficiency

Hidradenitis is inflammation of a __________________. A: sweat gland B: salivary gland C: sebaceous gland D: ceruminous gland E: meibomian gland

下列属于副泪腺的是 A: Zeis腺 B: Moll腺 C: Meibomian腺 D: Krause腺