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Br J Ophthalmol 83:1032-1035 doi:10.1136/bjo.83.9.1032
  • Original Article
    • Clinical science

Comparison of dacryocystography and lacrimal scintigraphy in the diagnosis of functional nasolacrimal duct obstruction

Table 1

Results of dacryocystography compared with lacrimal drainage scintigraphy in the investigation of functional nasolacrimal duct obstruction

Dacryocystography Lacrimal drainage scintigraphy
presac delay preduct delay intraduct delay free drainage
Hold up of contrast on erect film 7 17 25 2
Clearance of contrast on erect film 0 2 1 1

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