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Related Experiment Video

Updated: Jul 12, 2026

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
05:14

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Published on: September 16, 2025

[Higher order aberrations in physiological optical system--own experience].

Beata Zelichowska1, Marek Rekas, Karolina Krix-Jachym

  • 1Kliniki Okulistycznej Wojskowego Instytutu Medycznego w Warszawie.

Klinika Oczna
|August 30, 2007
PubMed
Summary

Older age increases higher order aberrations, but pupil constriction (miosis) maintains clear vision. This age-related change in optical aberrations is crucial for visual function.

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Area of Science:

  • Ophthalmology
  • Optical Engineering
  • Human Physiology

Context:

  • The aging process affects the eye's optical system.
  • Higher order aberrations (HOAs) can impact visual quality.
  • Pupil size dynamically influences optical performance.

Purpose:

  • To investigate the relationship between age, pupil diameter, and higher order aberrations (HOAs) in the human eye.
  • To understand how the eye compensates for age-related optical changes.

Summary:

  • HOAs, including coma and spherical aberrations, increase with age, particularly at pupil diameters of 5-6.5 mm.
  • In younger individuals (20-40 yrs), larger pupil diameters correlate with increased HOAs.
  • A significant inverse correlation was found between pupil diameter and age across all subjects.

Impact:

  • Age-related increases in HOAs are counteracted by miosis (pupil constriction).
  • This compensatory mechanism preserves optimal retinal image quality despite aging.
  • Findings are relevant for understanding visual function and designing optical corrections.