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Longitudinal change of refraction over at least 5 years in 15,000 patients

  • David GoldblumEmail author
  • Annette Brugger
  • Andreas Haselhoff
  • Stefanie Schmickler
Refractive Surgery

Abstract

Background

To report the natural, longitudinal history of shifts in refractive errors in different age groups in a large western European cohort over at least 5 years in the same patients.

Methods

The electronic database of a large regional clinic containing 225,000 patients was searched for records of patients with a follow-up of at least 5 years, excluding all patients who had received any surgical interventions in any eye. This search retrieved 15,799 patients aged 3 months to 79 years (median 37.8 years) with refractive follow up of at least 5 years (mean 8.8 years) and no surgical interventions. Differences in spherical equivalents (sum of sphere +1/2 cylinder) and cylinder between first and last visit in the same patients in only the right eye were calculated, and used as the measure of refractive shift. Subsequently differences in change between the right and left eye were also determined.

Results

Refractions were found to be mostly stable from 25 to 39 years (n = 3,155 right eyes), with 50 % of these patients not changing their refraction. In patients aged 20–24 (n = 825 right eyes), only 39 % of the refractions remained stable, whereas 49 % experienced a myopic shift. In the age group 40–69 years (n = 6,694), 40–45 % remained stable, with an increase in hyperopic shifts. Eighty-five percent of all patients had bilateral symmetric shifts, and 61 % showed stable cylindrical values.

Conclusions

This report documents clinical relevant changes in spherical equivalents in all age groups within 5 to 10 years in the largest examined European cohort. Refractive surgery patients in particular should be selected accordingly, and be informed about the physiological changes which might still occur during their lifetime.

Keywords

Refraction Progression Myopia Refractive surgery Ocular development 

Notes

Acknowledgments

We would like to thank Andreas Schoetzau (University Hospital Basel) and Anne Theissing (Augenärzte Gemeinschaftspraxis Ahaus-Gronau-Lingen) for their statistical support.

Financial disclosure

No author has a financial or proprietary interest in any material or method mentioned.

Competing interests

None

Financial support

None

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • David Goldblum
    • 1
    Email author
  • Annette Brugger
    • 1
  • Andreas Haselhoff
    • 2
  • Stefanie Schmickler
    • 2
  1. 1.Department of OphthalmologyUniversity Hospital Basel, University BaselBaselSwitzerland
  2. 2.Augenärzte Gemeinschaftspraxis Ahaus–Gronau–LingenAhausGermany

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