• J Am Dent Assoc · Jan 2019

    Out of the loupe: The prevalence of coaxial misalignment of surgical loupes among dental professionals.

    • Wen Maggie Wen, Zul Kanji, Denise Laronde, Batoul Shariati, and Lance Rucker.
    • J Am Dent Assoc. 2019 Jan 1; 150 (1): 49-57.

    BackgroundSurgical loupes have been increasingly popular among dental professionals for their visual and postural benefits. However, dental professionals will receive the full benefit of surgical loupes only if the loupes are adjusted fully to fit the individual needs of each clinician. In this study, the authors examine coaxial alignment of surgical loupes, a critical criterion for the proper adjustment of these optical systems.MethodsThe authors conducted an in-person survey by using a simple, quantitative visual tool to assess the coaxial alignment of surgical loupes among 97 dental professionals in British Columbia, Canada.ResultsFindings indicated that 82% of dental professionals surveyed experienced coaxial misalignment with their surgical loupes. Dental professionals wearing front-lens-mounted (flip-up) surgical loupes with full vertical adjustability, front-lens-mounted surgical loupes with limited vertical adjustability, and through-the-lens surgical loupes were equally likely to be practicing with coaxial misalignment of their surgical loupes. Front-lens-mounted surgical loupes with full vertical adjustability were the only type of surgical loupe that can be adjusted to achieve full coaxial alignment reliably (P < .05).ConclusionsThere was a high prevalence of coaxial misalignment among dental professionals in this cohort. Not all surgical loupes on the market satisfy the criteria for optimal postural and visual support of clinicians.Practical ImplicationsThe visual tool developed in this study enabled dental professionals to identify coaxial misalignment effectively and efficiently. Findings from this study will assist dental professionals in making informed decisions when choosing their magnification equipment and prompt surgical loupe manufacturers to develop more evidence-based products.Copyright © 2019 American Dental Association. Published by Elsevier Inc. All rights reserved.

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