Automated Pupillometry as an Adjunct to Clinical Examination in Patients With Acute Vision Loss:
Background:
Despite automated pupillometry's (AP) improved detection of relative afferent pupillary defects (RAPDs) compared with the Swinging Flashlight Test (SFT), AP remains uncommon in clinical practice. This study examined barriers to routine use of AP in evaluation of acute vision loss.
Methods:
(1) Ophthalmologists and optometrists' perceptions of AP were captured via electronic survey. (2) Ophthalmologists were presented with clinical vignettes to assess their use of AP in clinical decision-making. (3) Patients presenting with decreased vision to an ophthalmology urgent care clinic underwent manual SFT and AP screening to evaluate ophthalmologists' perceptions of the device.
Results:
Surveys indicated that clinicians were “neutral” to “somewhat likely” to use AP. In clinical vignettes, more physicians proceeded with workup for optic nerve pathology when presented with an RAPD by AP than SFT (77% vs 26%, P = 0.003). When SFT and AP results were discordant, more physicians proceeded with workup for optic nerve disease when AP was positive and SFT was negative than vice versa (61% vs 18%, P = 0.008). In the clinical study of 21 patients, 50% of RAPDs detected by AP were not detected by SFT, although ophthalmologists rated AP's usefulness as only “neutral” to “somewhat useful.”
Conclusion:
Clinicians value pupillary examination and trust AP over SFT; however, widespread adoption and perceived value of AP may depend on its impact on clinical outcomes. Within a comprehensive diagnostic device, AP may be an important tool, but is not necessary to screen for optic nerve disease or evaluate acute vision loss.
Address correspondence to Nicholas J. Volpe, MD, Department of Ophthalmology, Northwestern University, Feinberg School of Medicine, 645 N Michigan Avenue, Suite #440, Chicago, IL 60611; E-mail: nvolpe@nm.org
Early-investigator research grant from the Illinois Society for the Prevention of Blindness.
The authors report no conflicts of interest.
Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jneuro-ophthalmology.com).
© 2020 by North American Neuro-Ophthalmology Society
Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
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Τετάρτη 1 Απριλίου 2020
Automated Pupillometry as an Adjunct to Clinical Examination in Patients With Acute Vision Loss
Αναρτήθηκε από
Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
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Ετικέτες
00302841026182,
00306932607174,
alsfakia@gmail.com,
Anapafseos 5 Agios Nikolaos 72100 Crete Greece,
Medicine by Alexandros G. Sfakianakis,
Telephone consultation 11855 int 1193
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