Visual acuity of dentists under simulated clinical conditions

Eichenberger, Martina; Perrin, Philippe; Neuhaus, Klaus; Bringolf, Ueli; Lussi, Adrian (2013). Visual acuity of dentists under simulated clinical conditions. Clinical oral investigations, 17(3), pp. 725-729. Springer-Verlag 10.1007/s00784-012-0753-x

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OBJECTIVES This study examined the near visual acuity of dentists in relation to age and magnification under simulated clinical conditions. MATERIALS AND METHODS Miniaturized visual tests were performed in posterior teeth of a dental phantom head in a simulated clinical setting (dental chair, operating lamp, dental mirror). The visual acuity of 40 dentists was measured under the following conditions: (1) natural visual acuity, distance of 300 mm; (2) natural visual acuity, free choice of distance; (3) Galilean loupes, magnification of ×2.5; (4) Keplerian loupes, ×4.3; (5) operating microscope, ×4, integrated light; (6) operating microscope, ×6.4, integrated light. RESULTS The visual acuity varied widely between individuals and was significantly lower in the group ≥40 years of age (p < 0.001). Significant differences were found between all tested conditions (p < 0.01). Furthermore, a correlation between visual acuity and age was found for all conditions. The performance with the microscope was better than with loupes even with comparable magnification factors. Some dentists had a better visual acuity without optical aids than others with Galilean loupes. CONCLUSIONS Near visual acuity under simulated clinical conditions varies widely between individuals and decreases throughout life. Visual deficiencies can be compensated for with optical aids. CLINICAL RELEVANCE Newly developed miniaturized vision tests have allowed, in a clinically relevant way, to evaluate the influence of magnification and age on the near visual acuity of dentists.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Preventive, Restorative and Pediatric Dentistry

UniBE Contributor:

Eichenberger, Martina; Perrin, Philippe; Neuhaus, Klaus and Lussi, Adrian

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1432-6981

Publisher:

Springer-Verlag

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

26 Feb 2014 10:09

Last Modified:

26 Jun 2018 14:31

Publisher DOI:

10.1007/s00784-012-0753-x

PubMed ID:

22638771

BORIS DOI:

10.7892/boris.40822

URI:

https://boris.unibe.ch/id/eprint/40822

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