ArticleClinical ophthalmology (Auckland, N.Z.)2024
Fluctuations of Anterior Chamber Depth and Astigmatism in Pseudophakic Eyes.
Article in Clinical ophthalmology (Auckland, N.Z.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Potential Refractive Error Due to Axial Displacement of Intraocular Lenses with Clinically Relevant Compression Diameters.Clinical ophthalmology (Auckland, N.Z.) · 2026Article
- Challenges in Biometry and Intraocular Lens Power Calculations in Keratoconus: A Review.Diagnostics (Basel, Switzerland) · 2025Review
- Editorial: More than a "formulas problem": IOL power calculation and biometry in the era of "refractive cataract".Frontiers in neuroscience · 2025Article
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5 authors.
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Abstract
Purpose: To explore the significance of changes in anterior chamber depth (ΔACD) and astigmatism between 4 and 8 weeks following uneventful phacoemulsification. Patients and Methods: Anterior chamber depth (ACD, mm), autorefractometry and subjective refraction were monitored in pseudophakic eyes implanted with non-toric IOLs (group 1, SA60AT, n=36; group 2, SN60WF, n=34; group 3, ICBOO, n=16) and phakic control group (n=30, group 4a, for ACD and autorefractometry) over four weeks. Changes in subjective refractions were compared with repeatability in normal phakic eyes (n=30, group 4b). Results: Reporting key results (p<0.01), mean (±sd 95% CI) ΔACD values (ACD at start minus ACD at four weeks) were +0.02 (±0.37, -0.16 to 0.08), +0.22 (±0.51,0.05 to 0.39), -0.33 (±0.51, -0.58 to -0.08), -0.02 (±0.07, -0.04 to 0.01) in groups 1-4a respectively. Differences were significant (1-way ANOVA, F=7.02). Pooling data from the pseudophakic eyes (n=86) induced astigmatism (IA) by autorefractometry was significantly greater in comparison with group 4a [-0.78D (±0.67, -0.92 to -0.64) and -0.19D (±0.16, -0.25 to - 0.13)]. IA power correlated with the initial power of refractive astigmatism at 4 weeks (A), [IA = 0.36A-0.30 (r Conclusion: Changes in ACD and refraction still occur four weeks after unremarkable phacoemulsification and the inter-relationship depends on IOL design/type. Other factors, such as tilt or dislocation of the IOL along the X-Y axes parallel to Listing's plane, accompanying changes in ACD are expected to affect the postop astigmatism.
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