The relationship between object spatial profile and accommodation microfluctuations in emmetropes and myopes

Mhairi Day; Lyle S. Gray; Dirk Seidel; Niall C. Strang

doi:10.1167/9.10.5

The relationship between object spatial profile and accommodation microfluctuations in emmetropes and myopes

Mhairi Day, Lyle S. Gray, Dirk Seidel, Niall C. Strang

Vision Sciences

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

The accommodation microfluctuations are thought to be used by the accommodation controller to obtain information about the direction and magnitude of the required response by monitoring changes in the contrast gradient of this image. The contrast gradient can be altered by presenting different spatial frequency (SF) targets to the eye. Twelve myopes (MYOs) and 12 emmetropes (EMMs) viewed sine and square wave targets of SF 0.5, 1, 2, 4, 8, 16 cpd in a Badal optical system. Accommodation responses were recorded continuously using the Shin-Nippon SRW-5000 autorefractor.

Original language	English
Pages (from-to)	1-13
Number of pages	13
Journal	Journal of Vision
Volume	9
Issue number	10
DOIs	https://doi.org/10.1167/9.10.5
Publication status	Published - Sept 2009

Keywords

microfluctuations
optometry
myopia
vision sciences

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10.1167/9.10.5

Cite this

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AB - The accommodation microfluctuations are thought to be used by the accommodation controller to obtain information about the direction and magnitude of the required response by monitoring changes in the contrast gradient of this image. The contrast gradient can be altered by presenting different spatial frequency (SF) targets to the eye. Twelve myopes (MYOs) and 12 emmetropes (EMMs) viewed sine and square wave targets of SF 0.5, 1, 2, 4, 8, 16 cpd in a Badal optical system. Accommodation responses were recorded continuously using the Shin-Nippon SRW-5000 autorefractor.

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The relationship between object spatial profile and accommodation microfluctuations in emmetropes and myopes

Abstract

Keywords

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