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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 HarriesWith 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 OtologyISSN
0022-2151External DOI
Issue
5Volume
120Page range
385-388Department affiliated with
- Engineering and Design Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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