The difference in scotopic and photopic pupil responses: a potential indicator for long-term glycemic management - Takeaways - MDSpire

The difference in scotopic and photopic pupil responses: a potential indicator for long-term glycemic management

  • By

  • Ye Li

  • Zeyu Pan

  • Qi Ren

  • Fan Shi

  • Pengxia Wan

  • June 17, 2026

  • 0 min

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  • 1

    Diabetic patients exhibit significantly lower pupil diameter differences under varying light conditions compared to non-diabetic controls.

  • 2

    Quantitative pupillometry serves as a potential biomarker for assessing chronicity and autonomic neuropathy in diabetes.

  • 3

    The study included 362 participants, stratified into diabetic and non-diabetic cohorts, to evaluate pupillary responses.

  • 4

    Significant declines in pupil diameter differences were observed in diabetic patients with disease durations exceeding one year.

  • 5

    Receiver operating characteristic analysis indicated that pupil diameter difference can effectively identify established diabetes duration.

Original Source(s)

The difference in scotopic and photopic pupil responses: a potential indicator for long-term glycemic management

  • by Ye Li, Zeyu Pan, Qi Ren, Fan Shi, Pengxia Wan

  • June 17, 2026

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