Negative Jones-1 and jones-II Dye test indicate
Ans. (c) Lacrimal pump failureRef: Kanski 8/e, p. 67, 68* Partial obstruction of proximal lacrimal passages (Punctal or canalicular) or pump failure- Negative Jones 2* Partial obstruction of the nasolacrimal duct distal to the sac-Positive Jones, 2.
Primary Hypersecretion of tears
Partial obstruction of distal nasolacrimal duct
Lacrimal pump failure
Partial obstruction of lacrimal canaliculi
Orbit