Mechanism of tear flow after dacryocystorhinostomy and Jones' tube surgery.

@article{Nik1984MechanismOT,
  title={Mechanism of tear flow after dacryocystorhinostomy and Jones' tube surgery.},
  author={Nik Adilah Nik and Jeffrey Jay Hurwitz and Hairong Sang},
  journal={Archives of ophthalmology},
  year={1984},
  volume={102 11},
  pages={
          1643-6
        }
}
In the 42 patients (84 eyes) in this study, 32 eyes had dacryocystorhinostomy (DCR), 15 had Jones' tube insertions, and the remaining 37 were considered controls. All patients were studied using nuclear scanning with computer interfacing quantitative lacrimal scintillography to determine the effects of blinking, respiration, and gravity on their functioning. Tears flowed through DCR openings faster than through the systems of normal patients. Patients with Jones' tubes demonstrated slower flow… CONTINUE READING
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