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Accommodation functions: co-dependency and relationship to refractive error

journal contribution
posted on 2023-08-31, 08:18 authored by Peter M. Allen, Daniel J. O'Leary
We assessed the extent to which different accommodative functions are correlated and whether accommodative functions predict the refractive error or the progression of myopia over a 12 month period in 64 young adults (30 myopes and 34 non-myopes). The functions were: amplitude of accommodation; monocular and binocular accommodative facility (6 m and 40 cm); monocular and binocular accommodative response to target distance; AC/A and CA/C ratios, tonic accommodation (dark focus and pinhole), accommodative hysteresis, and nearwork-induced transient myopia. Within groups of related accommodative functions (such as facility measures or open-loop measures) measurements on individuals were generally significantly correlated, however correlations between functions from different groups were generally not significant. Although accommodative amplitude and pinhole (open loop) accommodation were significantly different in myopes than in non-myopes, these functions were unrelated to myopia progression. Facility of accommodation and accommodative lag was independent predictors of myopia progression.

History

Refereed

  • Yes

Volume

46

Issue number

4

Page range

491-505

Publication title

Vision Research

ISSN

1878-5646

Publisher

Elsevier

File version

  • Accepted version

Language

  • eng

Legacy posted date

2010-07-29

Legacy creation date

2019-01-08

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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