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Changes in dynamics of accommodation after accommodative facility training in myopes and emmetropes |
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| Authors: | Peter M. Allen W. Neil Charman |
| Affiliation: | a Vision and Eye Research Unit, Postgraduate Medical Institute, Anglia Ruskin University, Cambridge, CB1 1PT, UK b Department of Vision and Hearing Sciences, Anglia Ruskin University, Cambridge, CB1 1PT, UK c Faculty of Life Sciences, The University of Manchester, Moffat Building, Sackville Street, Manchester, M60 1QD, UK d Vision Cooperative Research Centre, Rupert Myers Building, Gate 14 Barker Street, UNSW, Sydney, NSW 2052, Australia |
| Abstract: | This study evaluates the effect of accommodative facility training in myopes and emmetropes. Monocular accommodative facility was measured in nine myopes and nine emmetropes for distance and near. Subjective facility was recorded with automated flippers and objective measurements were simultaneously taken with a PowerRefractor. Accommodative facility training (a sequence of 5 min monocular right eye, 5 min monocular left eye, 5 min binocular) was given on three consecutive days and facility was re-assessed on the fifth day. The results showed that training improved the facility rate in both groups. The improvement in facility rates were linked to the time constants and peak velocity of accommodation. Some changes in amplitude seen in emmetropes indicate an improvement in facility rate at the expense of an accurate accommodation response. |
| Keywords: | Accommodative facility Myopia Vision training |
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