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Optical Quality of the Nasendoscope with and without the Endosheath

journal contribution
posted on 2023-06-07, 23:49 authored by F Vaz, L Ripley, D Lim, R Kanegaonkar, M Harries
With the increasing use of the endosheath in clinical practice, we set out to investigate the quality of the nasendoscope image produced with and without an endosheath. It has been suggested by some users that the endosheath degrades the image. We used a spectrophotometer to assess the optical transmission of the endosheath and found no selective chromatic absorption. However, on requesting nine experienced users to document whether they could differentiate between the sheathed and unsheathed endoscope, a significantly correct answering pattern was obtained in repeated blinded experiments. This suggests that individuals can distinguish between the sheathed and unsheathed nasendoscope view and that the image is indeed altered when an endosheath is employed.

History

Publication status

  • Published

Journal

Journal of Laryngology and Otology

ISSN

0022-2151

Issue

5

Volume

120

Page range

385-388

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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