A 60 year old man presented with watering from his left eye since 1 year. Syringing revealed a patent drainage system. Rest of the ocular examination was normal. A provisional diagnosis of lacrimal pump failure was made. Confirmations of the diagnosis would be by:
Ans. Dacryoscintigraphy
Dacryoscintigraphy
Dacryocystography
Pressure syringing
Canaliculus irrigation test