Hormonal Influence on Corneal Changes in Keratoconus: A Comprehensive Analysis of Tomographic and Biomechanical Differences by Gender, Age, and Menstrual Cycle - Summary - MDSpire

Hormonal Influence on Corneal Changes in Keratoconus: A Comprehensive Analysis of Tomographic and Biomechanical Differences by Gender, Age, and Menstrual Cycle

  • By

  • Xiaorui Zhao

  • Ruiyu Zhang

  • Tong Sun

  • Yifei Yuan

  • Yu Zhang

  • Yueguo Chen

  • February 11, 2026

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Objective:

To explore the associations between sex hormones and corneal pathophysiology in keratoconus patients by evaluating serum hormone profiles alongside morphological and biomechanical corneal parameters.

Approach:
    Key Findings:
    • Keratoconus patients had significantly lower testosterone levels compared to controls.
    • Male keratoconus patients exhibited lower estradiol levels than controls.
    • No significant age-related differences in hormone levels were observed among male participants.
    Interpretation:

    The findings suggest that sex hormones may play a role in the pathophysiology of keratoconus, with lower testosterone and estradiol levels observed in affected individuals.

    Limitations:
    • Cross-sectional design limits causal inferences.
    • Sample size may not be representative of the broader population.
    • Exclusion of patients with active ocular diseases may affect generalizability.
    Conclusion:

    This study highlights the potential influence of sex hormones on corneal changes in keratoconus, warranting further investigation into their role in disease progression.

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