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Related Experiment Video

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Using an Automated Hirschberg Test App to Evaluate Ocular Alignment
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Plusoptix S08 sensitivity in detecting strabismus as amblyogenic risk factor.

AliAkbar Saber Moghadam1, Reza Alizadeh, Mehran Zarei-Ghanavati

  • 1Khatam Eye Research Center and Hospital, Mashhad University of Medical Sciences (MUMS) , Mashhad , Islamic Republic of Iran .

Strabismus
|December 5, 2013
PubMed
Summary

The Plusoptix S08 photoscreener shows limited sensitivity for detecting strabismus, especially smaller deviations. Its use alone is not recommended for comprehensive strabismus evaluation.

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Area of Science:

  • Ophthalmology
  • Medical Devices
  • Diagnostic Technology

Background:

  • Strabismus is a common visual disorder requiring accurate screening.
  • Photoscreening devices offer a potential method for early detection.

Purpose of the Study:

  • To evaluate the diagnostic sensitivity of the Plusoptix S08 photoscreener for strabismus detection.

Main Methods:

  • Eighty-three patients underwent expert examination and Plusoptix S08 photoscreening.
  • The device's default software was used for patient referral decisions.

Main Results:

  • Overall strabismus detection sensitivity was 70%.
  • Sensitivity varied by strabismus type (exophoria 25%, esotropia 67%, exotropia 73%, mixed 89%).
  • Sensitivity was lower (46%) for deviations <30 prism diopters (PD), increasing with deviation magnitude.

Conclusions:

  • The Plusoptix S08 has reduced sensitivity for certain strabismus types, particularly esotropia with <30 PD deviations.
  • This device should not be the sole tool for strabismus evaluation due to decreased sensitivity in specific cases.