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  • Title: Thermographic evaluation of the human lacrimal drainage system.
    Author: Raflo GT, Chart P, Hurwitz JJ.
    Journal: Ophthalmic Surg; 1982 Feb; 13(2):119-24. PubMed ID: 7110655.
    Abstract:
    A new method for evaluating the anatomy and patency of the human lacrimal drainage system is presented. Thermography was used in conjunction with routine lacrimal irrigation to visualize the tear ducts in normal subjects and in a patient with obstructive epiphora. The canaliculi, common canal, and lacrimal sac could be identified, and certain abnormalities detected with this technique. Additional information can be obtained regarding the presence of subclinical inflammation. The authors feel that thermography offers promise as a safe, simple technique for evaluating the lacrimal anatomy in patients with epiphora.
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