Abstract:
:High order aberrations have been suggested to play a role in determining the direction of accommodation. We have explored the effect of retinal blur induced by high order aberrations on dynamic accommodation by measuring the accommodative response to sinusoidal variations in accommodative demand (1-3D). The targets were blurred with 0.3 and 1mum (for a 3-mm pupil) of defocus, coma, trefoil and spherical aberration. Accommodative gain decreased significantly when 1-mum of aberration was induced. We found a strong correlation between the relative accommodative gain (and phase lag) and the contrast degradation imposed on the target at relevant spatial frequencies.
journal_name
Vision Resjournal_title
Vision researchauthors
Gambra E,Wang Y,Yuan J,Kruger PB,Marcos Sdoi
10.1016/j.visres.2010.06.015subject
Has Abstractpub_date
2010-09-15 00:00:00pages
1922-7issue
19eissn
0042-6989issn
1878-5646pii
S0042-6989(10)00321-4journal_volume
50pub_type
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