What question did this study set out to answer?

To compare higher-order aberrations in myopic and emmetropic eyes.

Ocular higher order aberrations: A comparison between myopes and emmetropes

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Cross-sectional study compares higher-order aberrations in myopes and emmetropes, revealing significant differences.

To compare higher-order aberrations in myopic and emmetropic eyes.
Conducted a cross-sectional comparative study with 288 myopic and 322 emmetropic eyes.
Performed complete eye examinations including refraction and wavefront analysis using Baush and Lomb Zywave aberrometer.
Analyzed wavefront maps up to the fifth order of Zernike coefficients for a 6 mm pupil diameter.
Average age of myopes was 24.5 years, and 25.04 years for emmetropes.
Significant negative correlation was observed between spherical equivalent and total higher order root mean square in myopes.
Statistically significant difference in vertical coma and fourth-order spherical aberration between groups.
Mean total HO RMS was 0.444 μm in myopes and 0.412 μm in emmetropes.

Govind et al. (2026) studied this question.

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