![]() Pupil dilation without cycloplegia was achieved by instilling one or two drops of phenylephrine. The experiment was performed monocularly with and without pharmacological dilation of the pupil. To ensure accurate accommodation during aberrometry, measurements were obtained when the subject was correctly reading letters near their own personal resolution limit. Vergence of the visual stimulus (Landolt C) ranged from +0.5 to -4.5 D relative to the eye’s far-point. We investigated the effect of miosis on the measurement of refractive state and accommodation.Īn optical bench fitted with a modified aberrometer (COAS, Wavefront Sciences Inc.) was used to obtain wavefront aberration measurements in the right eyes of 5 non-presbyopes during accommodation. Stigma and substance use disorders.Accommodative miosis is a natural decrease of pupil size during accommodation.
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