Comparing methods of determining addition in presbyopes

Clinical & Experimental Optometry : Journal of the Australian Optometrical Association
Beatriz AntonaYolanda Martin

Abstract

The use of plus lenses to compensate for the reduction in the range of accommodation associated with presbyopia, brings the near point of accommodation to a comfortable distance for near visual tasks. Our aim was to compare the tentative near addition determined using the most common procedures with the final addition prescribed in presbyopic patients. Sixty-nine healthy subjects with a mean age of 51.0 years (range 40 to 60 years) were studied. Tentative near additions were determined using seven different techniques: dynamic retinoscopy, amplitude of accommodation (AA), age-expected addition, binocular fused cross-cylinder with and without myopisation, near duochrome, and balance of negative and positive relative accommodation. The power of the addition was then refined to arrive at the final addition. The mean tentative near additions were higher than the final addition for every procedure except for the fused cross-cylinder without initial myopisation and age-expected addition methods. These biases were small in clinical terms (less than 0.25 D) with the exception of the AA procedure (0.34 D). The intervals between the 95% limits of agreement differed substantially and were always higher than +/-0.50 D. All the techniques u...Continue Reading

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Citations

Jan 6, 2011·Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)·Sung-Hyun WeeHyun Gug Cho
Jun 10, 2008·Clinical & Experimental Optometry : Journal of the Australian Optometrical Association·Christopher T LefflerWilliam Benson
Sep 14, 2016·Journal of Ophthalmic & Vision Research·Negareh YazdaniJavad Heravian Shandiz
Oct 27, 2017·The Journal of Physiology·Fabrizio ZeriFrancesco Di Russo
Nov 22, 2016·Biomedical Optics Express·Eleni PapadatouNorberto López-Gil
Oct 24, 2018·Scientific Reports·Fabrizio ZeriMaria De Luca
Apr 6, 2021·Contact Lens & Anterior Eye : the Journal of the British Contact Lens Association·C Talens-EstarellesS García-Lázaro
Oct 29, 2021·Ophthalmology and Therapy·Marguerite B McDonaldWilliam B Trattler

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