Background And Objective: To evaluate lacrimal drainage in patients who have undergone successful dacryocystorhinostomy using quantitative dacryoscintigraphy.
Patients And Methods: This study included 72 eyes of 72 patients. There were 26 males and 46 females, with a mean age of 39.6 years (range, 8 to 67 years). The patients were subdivided into three groups. Group 1 consisted of 35 eyes with external dacryocystorhinostomy, group 2 consisted of 15 eyes with endoscopic dacryocystorhinostomy, and group 3 consisted of 22 eyes with conjunctival dacryocystorhinostomy with a Jones tube. There was no epiphora in patients and the lacrimal drainage systems were patent by irrigation. The other normal eyes of the patients were evaluated as controls.
Results: In groups 1 and 2, the mean T(1/2) values for the palpebral aperture were lower than those for normal eyes, and this difference was statistically significant (P < .01). In group 3, no significant difference was detected in the mean T(1/2) values for the palpebral aperture.
Conclusions: Tear flow was slower in patients who had had external and endoscopic dacryocystorhinostomy, but conjunctival dacryocystorhinostomy did not affect T(1/2) values for the palpebral aperture.
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