ArticleClinical ophthalmology (Auckland, N.Z.)2026
Evaluation of the Accuracy of Modern Toric Intraocular Lens Formulas Based on Anterior Corneal Measurements.
Article in Clinical ophthalmology (Auckland, N.Z.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
1 author.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: We aimed to evaluate the postoperative refractive astigmatism prediction error (RAPE) of three modern toric intraocular lens (IOL) formulas, which estimate posterior corneal astigmatism, using anterior corneal measurements with a swept-source optical coherence tomography biometer, ARGOS Material and Methods: This retrospective study included 33 eyes of 33 patients who underwent uneventful cataract surgery implanted with Clareon toric IOLs (model CNW0Tx) using digital guidance. Back-calculation was performed using the KANE toric, Emmetropic Verifying Optical (EVO) toric v2.0, and Barrett toric IOL formulas employing preoperative measurements with the ARGOS biometer, and surgically induced astigmatism was set to 0 diopter (D). RAPE was defined as the difference between the predicted refractive astigmatism and actual subjective refractive astigmatism 1 month after surgery. The Wilcox-Holladay-Wang-Koch statistical method was used to compare the toric IOL formulas. Results: Mean and standard deviation (SD) of RAPE for KANE toric, EVO toric, and Barrett toric formulas were -0.02 ± 0.44 D (95% CI: -0.18 to 0.14), 0.03 ± 0.44 D (95% CI: -0.13 to 0.19), and 0.03 ± 0.43 D (95% CI: -0.12 to 0.18), respectively. The median absolute RAPE were 0.20 D for the KANE toric, 0.23 D for the EVO toric, and 0.27 D for the Barrett toric. The centroid and SD of RAPE for each toric formula were 0.09 ± 0.46 D at 3.25°, 0.04 ± 0.50 D at 172.34°, and 0.02 ± 0.45 D at 103.50°, respectively. No significant difference was noted between the Barrett toric and KANE toric in the x axis (p = 0.001). Conclusion: This study provides a further evaluation of the accuracy of modern toric IOL formulas for astigmatism prediction, even though only anterior corneal measurements from ARGOS were used for toric IOL calculations.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.