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Longitudinal changes in peripheral refraction with age.

W N Charman1, J A M Jennings

  • 1Faculty of Life Sciences, University of Manchester, PO Box 88, Manchester M60 1QD, UK. neil.charman@tesco.net

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|August 22, 2006
PubMed
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Over 26 years, eye refractions shifted towards hyperopia centrally and myopia peripherally in adults. Peripheral visual decline with age is unlikely due to increased astigmatism.

Area of Science:

  • Ophthalmology
  • Vision Science
  • Longitudinal Eye Studies

Background:

  • Refractive error changes are common with age.
  • Understanding longitudinal changes in peripheral refraction is crucial for visual health.
  • Previous studies primarily used transverse data.

Purpose of the Study:

  • To track changes in refractive patterns over 26 years.
  • To compare longitudinal findings with transverse studies.
  • To investigate the role of astigmatism in age-related peripheral vision changes.

Main Methods:

  • Longitudinal study of 2 subjects (3 eyes) over 26 years.
  • Measurements of refractive patterns (skiagrams) within the central +/-35 degrees of the horizontal visual field.
  • Analysis of changes in central refraction, radial and tangential image fields.

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Main Results:

  • Central refractions showed a shift in the hyperopic direction.
  • Peripheral radial and tangential image fields became more myopic.
  • Longitudinal results align with transverse studies when central refraction changes are accounted for.

Conclusions:

  • Age-related peripheral refractive shifts occur in both hyperopic and myopic directions.
  • Increased peripheral astigmatism does not appear to explain age-related declines in peripheral visual performance.