Effect of Temporal Location of Correction of Monochromatic Aberrations on the Dynamic Accommodation Response

Overview

Journal Biomed Opt Express

Specialty Radiology

Date 2011 Jan 25

PMID 21258515

Citations 7

Authors

Karen M Hampson

Sem Sem Chin

Edward A H Mallen

Affiliations

Soon will be listed here.

Abstract

Dynamic correction of monochromatic aberrations of the eye is known to affect the accommodation response to a step change in stimulus vergence. We used an adaptive optics system to determine how the temporal location of the correction affects the response. The system consists of a Shack-Hartmann sensor sampling at 20 Hz and a 37-actuator piezoelectric deformable mirror. An extra sensing channel allows for an independent measure of the accommodation level of the eye. The accommodation response of four subjects was measured during a +/- 0.5 D step change in stimulus vergence whilst aberrations were corrected at various time locations. We found that continued correction of aberrations after the step change decreased the gain for disaccommodation, but increased the gain for accommodation. These results could be explained based on the initial lag of accommodation to the stimulus and changes in the level of aberrations before and after the stimulus step change. Future considerations for investigations of the effect of monochromatic aberrations on the dynamic accommodation response are discussed.

Citing Articles

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Marcos S, Artal P, Atchison D, Hampson K, Legras R, Lundstrom L Biomed Opt Express. 2023; 13(12):6508-6532.

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There is more to accommodation of the eye than simply minimizing retinal blur.

Marin-Franch I, Del Aguila-Carrasco A, Bernal-Molina P, Esteve-Taboada J, Lopez-Gil N, Montes-Mico R Biomed Opt Express. 2017; 8(10):4717-4728.

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Vision science and adaptive optics, the state of the field.

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Potential role for microfluctuations as a temporal directional cue to accommodation.

Metlapally S, Tong J, Tahir H, Schor C J Vis. 2016; 16(6):19.

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