Detecting simulated skew deviation using a smartphone eye-tracking application (EyePhone): a feasibility study - Takeaways - MDSpire

Evaluating Simulated Skew Deviation with a Smartphone Eye-Tracking Tool (EyePhone): A Feasibility Assessment

  • By

  • Rajvi Babaria

  • Pouya Barahim Bastani

  • Hector Rieiro

  • Shervin Badihian

  • Jorge Otero-Millan

  • Ali Saber Tehrani

  • July 21, 2026

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  • 1

    Vestibular strokes are misdiagnosed four times more often than typical strokes, highlighting the need for accurate diagnostic tools.

  • 2

    The HINTS eye exam has a sensitivity of 98% and specificity of 97% for diagnosing vestibular strokes.

  • 3

    Skew deviations greater than 5 diopters are highly specific indicators of stroke.

  • 4

    The EyePhone application demonstrated a Spearman correlation of 0.93 in detecting skew deviations in a controlled setting.

  • 5

    EyePhone may serve as a practical tool for detecting clinically significant skew deviation pending further validation.

Original Source(s)

Detecting simulated skew deviation using a smartphone eye-tracking application (EyePhone): a feasibility study

  • by Rajvi Babaria, Pouya Barahim Bastani, Hector Rieiro, Shervin Badihian, Jorge Otero-Millan, Ali Saber Tehrani

  • July 21, 2026

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