Clinical ophthalmology (Auckland, N.Z.) · 2026
Rotational Stability of the Clareon PanOptix Toric (CNWTTx) Hydrophobic Multifocal IOL: Real-World Clinical Outcomes.
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Agarwal Smita, Chang Lily Yu-Li, Thornell Erin
Аннотация
PURPOSE: To assess and validate rotational stability and visual outcomes data of the CNWTTx (Clareon® PanOptix®) Toric multifocal intraocular lens (IOLs) in routine clinical practice.
METHODS: In this prospective, single-centre, real-world, confirmatory study, CNWTTx was implanted in 40 eyes from 22 patients that underwent bilateral routine phacoemulsification. Manifest refraction, uncorrected vision at distance (UDVA), intermediate (UIVA) and near at 40 cm (N-40) and 33 cm (N-33) were measured at 4-6 weeks and 12-weeks postoperatively. Quality of vision was assessed using the Near Acuity Visual Questionnaire (NAVQ), stereoacuity and contrast sensitivity (CS). Toric alignment was primarily measured using slit lamp examination at 1 hour, 1 week, 4-6 weeks and 12 weeks postoperatively. Rotational stability was assessed by measuring change in toric alignment from target axis at each time point. iTrace was used as an exploratory method of assessing IOL rotation.
RESULTS: Mean absolute and actual rotation at 12 weeks was 3.4° and -1.3°, respectively, with 85% of eyes achieving ≤5° of rotation. Monocular uncorrected visual acuity was 0.06 ± 0.09, 0.1 ± 0.14, 0.13 ± 0.11 and 0.14 ± 0.11 LogMAR at 6 m, 60 cm, 40 cm and 33 cm, respectively. Postoperative spherical equivalent at 12 weeks was -0.15 ± 0.28 D. NAVQ score increased significantly following surgery, and contrast sensitivity and stereoacuity were well maintained compared to age-normal values.
CONCLUSION: Accurate visual and refractive outcomes were achieved with CNWTTx in this cohort, and the lens remained stable from 1 week following implantation. This was consistent with the high patient-reported satisfaction despite visual phenomena inherent to diffractive IOLs. However, the percentage of eyes achieving ≤5° of rotation within this cohort was 5% lower than the ANSI Z80.30 standard, which was likely due to the small sample size of this study. Future studies with larger sample size are warranted to fully ascertain the lens' performance against the ANSI Z80.30 benchmark.
METHODS: In this prospective, single-centre, real-world, confirmatory study, CNWTTx was implanted in 40 eyes from 22 patients that underwent bilateral routine phacoemulsification. Manifest refraction, uncorrected vision at distance (UDVA), intermediate (UIVA) and near at 40 cm (N-40) and 33 cm (N-33) were measured at 4-6 weeks and 12-weeks postoperatively. Quality of vision was assessed using the Near Acuity Visual Questionnaire (NAVQ), stereoacuity and contrast sensitivity (CS). Toric alignment was primarily measured using slit lamp examination at 1 hour, 1 week, 4-6 weeks and 12 weeks postoperatively. Rotational stability was assessed by measuring change in toric alignment from target axis at each time point. iTrace was used as an exploratory method of assessing IOL rotation.
RESULTS: Mean absolute and actual rotation at 12 weeks was 3.4° and -1.3°, respectively, with 85% of eyes achieving ≤5° of rotation. Monocular uncorrected visual acuity was 0.06 ± 0.09, 0.1 ± 0.14, 0.13 ± 0.11 and 0.14 ± 0.11 LogMAR at 6 m, 60 cm, 40 cm and 33 cm, respectively. Postoperative spherical equivalent at 12 weeks was -0.15 ± 0.28 D. NAVQ score increased significantly following surgery, and contrast sensitivity and stereoacuity were well maintained compared to age-normal values.
CONCLUSION: Accurate visual and refractive outcomes were achieved with CNWTTx in this cohort, and the lens remained stable from 1 week following implantation. This was consistent with the high patient-reported satisfaction despite visual phenomena inherent to diffractive IOLs. However, the percentage of eyes achieving ≤5° of rotation within this cohort was 5% lower than the ANSI Z80.30 standard, which was likely due to the small sample size of this study. Future studies with larger sample size are warranted to fully ascertain the lens' performance against the ANSI Z80.30 benchmark.