What question did this study set out to answer?

This research aims to evaluate how corneal biomechanical properties relate to different refractive statuses.

February 19, 2026Open Access

The Relationship between Corneal Biomechanics and Refractive Status

Puntos clave

This research aims to evaluate how corneal biomechanical properties relate to different refractive statuses.
Included patients from routine eye examinations divided into three refractive status groups: hyperopia, myopia, and emmetropia.
Measured corneal biomechanical parameters using an ocular response analyzer.
Applied Pearson’s correlation, one-way ANOVA, and multivariate analysis of covariance for data evaluation.
Corneal hysteresis was significantly correlated with age in all groups (P < 0.05).
Mean corneal hysteresis values were 11.34±0.40 mmHg (hyperopia), 11.35±0.34 mmHg (myopia), 11.65±0.33 mmHg (emmetropia) with significant differences (P = 0.021).
Mean corneal resistance factor values were 11.05±0.35 mmHg (hyperopia), 10.85±0.30 mmHg (myopia), 11.04±0.29 mmHg (emmetropia) with significant differences (P = 0.047).
Corneal hysteresis and resistance factor were correlated (P < 0.001).
Corneal resistance factor significantly correlated with spherical equivalent (P = 0.001), but corneal hysteresis did not (P = 0.502).

Resumen

Objective This study aimed to determine the relationship between corneal biomechanical properties and refractive status. Methods The study included patients who underwent routine eye examination and were divided into 3 groups based on refractive status: hyperopia group (spherical equivalent >+0.50 diopters), myopia group (spherical equivalent <–0.50 diopters), and emmetropia group (spherical equivalent within ±0.50 diopters). Corneal biomechanical parameters (corneal hysteresis and corneal resistance factor) and intraocular pressure were measured via an ocular response analyzer (Reichert, Corp., Buffalo, NY). Corneal biomechanical properties were compared between the three groups. Pearson’s correlation analysis, one-way ANOVA, and multivariate analysis of covariance were used to evaluate the study data. Results Corneal hysteresis and age were significantly correlated in the hyperopia, myopia, and emmetropia groups based on Pearson’s correlation analysis ( P <0.05). Corneal hysteresis and corneal resistance factor values were adjusted for the age variable. Mean corneal hysteresis was 11.34±0.40 mmHg, 11.35±0.34 mmHg, and 11.65±0.33 mmHg in the hyperopia, myopia, and emmetropia groups, respectively ( P =0.021, one-way ANOVA). Mean corneal resistance factor was 11.05±0.35 mmHg, 10.85±0.30 mmHg, and 11.04±0.29mmHg in the hyperopia, myopia, and emmetropia groups, respectively ( P =0.047, one-way ANOVA). Corneal hysteresis and corneal resistance factor were significantly correlated based on Pearson’s correlation analysis ( P <0.001). Moreover, according to Pearson’s correlation analysis, there was no significant correlation between corneal hysteresis and spherical equivalent, but corneal resistance factor and spherical equivalent were significantly correlated ( P =0.502 and P =0.001, respectively). Conclusion Myopes have lower corneal hysteresis and corneal resistance factor than hyperopes and emmetropes. Refractive status should always be a consideration when assessing corneal biomechanical properties.

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Cite This Study

Ayşe Ebru Bahadir (Tue,) studied this question.

synapsesocial.com/papers/6996a8e3ecb39a600b3f0243 https://doi.org/https://doi.org/10.2174/0118743641438282251208115302

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