ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2019
Comparison of objective accommodation in phakic and pseudophakic eyes between age groups.
Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Age-stratified comparison of visual function between eyes with an enhanced monofocal intraocular lens and phakic eyes.Japanese journal of ophthalmology · 2026Article
- The effects of premium intraocular lenses on presbyopia treatments.Advances in ophthalmology practice and researchReview
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Authors and funding
6 authors.
Funding
Abstract
purposeTo compare objective accommodation of phakic and pseudophakic eyes between two different age groups.
methodsEighty-three eyes (83 participants aged ≥ 40 years) with a visual acuity of 20/25 or better, and refractive error < spherical - 1.0 diopters (D) and cylindrical 1.0 D, were included. Forty-four patients had undergone phacoemulsification and monofocal intraocular lens implantation and were examined 6 months post-surgery. Participants were divided into groups 1 (pseudophakic, age < 60 years), 2 (pseudophakic, ≥ 60 years), 3 (phakic, < 60 years), and 4 (phakic, ≥ 60 years). Objective accommodation and pupil diameter to 2.0- and 3.0-D stimuli were measured with a binocular open-field autorefractor.
resultsThe mean objective accommodation was 0.29 ± 0.47 D, 0.01 ± 0.21 D, 1.00 ± 0.88 D, and 0.01 ± 0.13 to a 2.0-D stimulus, and 0.26 ± 0.51 D, - 0.06 ± 0.21 D, 1.42 ± 1.21 D, and - 0.06 ± 0.21 to a 3.0-D stimulus in groups 1, 2, 3, and 4, respectively. For both stimuli, the values in group 1 exceeded those in groups 2 and 4, and were smaller than those in group 3, while the values in group 3 exceeded those in groups 2 and 4. The mean pupillary diameter was - 0.5 ± 0.8 mm, - 0.3 ± 0.8 mm, - 0.6 ± 0.5 mm, and - 0.6 ± 0.9 mm to a 2.0-D stimulus, and - 0.6 ± 0.8 mm, - 0.6 ± 0.8 mm, - 0.9 ± 0.5 mm, and - 1.0 ± 1.1 mm to a 3.0-D stimulus in groups 1, 2, 3, and 4, respectively. There was significant correlation between objective accommodation and changes of pupil size for both stimuli.
conclusionAge seems to play a role in objective accommodation among relatively young pseudophakic patients.
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