Using thermography for an obstruction of the lower lacrimal system

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Obstructions in the lacrimal pathways quite often require accurate and reliable image scanning for confirmation and documentation. Infrared thermal imaging, known as thermography, is a resource that complements diagnosis; it does not require touching the patient or applying contrast materials and has been used in various medical procedures for decades. However, there have been few studies in the literature about its use in ophthalmology. In this paper, the authors have presented a case of dacryocystitis where the obstruction of the lacrimal punctum was so acute that conventional dacryocystography could not be used. The authors have successfully reported the use of thermography as a complementary propaedeutic and will discuss the method they used.




Machado, M. A. de C., Silva, J. A. F., Brioschi, M. L., & Allemann, N. (2016). Using thermography for an obstruction of the lower lacrimal system. Arquivos Brasileiros de Oftalmologia, 79(1), 46–47.

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