DR. KHARE MUKESH

Abstract

The enigma of mis-diagnosis in epiphora cases in presence of PATENT lacrimal pathway is still a challenge. Gravity driven Conebeam computed tomography (CBCT DCG) has given us the elusive answers in the present study. This clinical study was done at one centre with one ophthalmologist and one dental radiologist.

CBCT DCG is done by INSTILLATION of Omnipaque dye in conjunctival cul de sac of patient in sitting posture and 1st image is taken after 1-2 minutes, 2nd image is taken after 5 minutes and 3rd image after 30 minutes OR when patient gets taste of dye. We analysed CBCT DCG of 991 eyes (496 patients) done from 08/08/2017 to 15/08/2022. This study revealed NLD stenosis and blockage at tip of NLD are two main causes of delayed emptying. CONCLUSION: CBCT DCG is Safe as FDDT, Easy, able to assess dynamics of flow, provides Anatomical details with Topographical localisation, Delineates partial & functional NLD obstructions and capable of FOOL PROOF evaluation of functional epiphora.

Full Text