Clinical ophthalmology (Auckland, N.Z.) · 2025
Visual and Refractive Outcomes of a New Monofocal, Non-Constant Aberration-Correcting Aspheric Intraocular Lens.
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Agarwal Smita, Thornell Erin
Аннотация
PURPOSE: To assess early visual and refractive outcomes of the CT Lucia 621PY intraocular lens (IOL).
METHODS: Retrospective analysis was performed for 47 consecutive eyes from 33 patients following routine phacoemulsification and implantation of CT Lucia 621PY monofocal IOLs for the treatment of cataract. Postoperative analysis was performed 6-weeks following surgery. Uncorrected distance visual acuity (UDVA), best-corrected distance visual acuity (BCVA) and manifest refraction were measured for all patients. Uncorrected mesopic contrast sensitivity (CS) was measured for a subset of 22 of the 47 eyes, and modulated transfer function (MTF) and angle alpha and angle kappa were measured for a separate subset of 19 eyes.
RESULTS: Mean spherical equivalent (SE) was -0.04±0.38 D, with 83% of eyes achieving within ±0.5 D of the refractive target. Mean UDVA was 0.05±0.1 LogMAR at 6 weeks postoperative, with 98% of eyes achieving 0.2 LogMAR or better. Mean BCVA was -0.02±0.06 LogMAR, with 87% of eyes achieving 0.00 LogMAR or better. Mean mesopic monocular CS was 1.4±0.26 sec arc, and 50% contrast was maintained at a spatial frequency of approximately 13 cycles per degree. There was no significant correlation between MTF and angle alpha or angle kappa.
CONCLUSION: The CT Lucia 621PY offers good visual and refractive outcomes. While there was no significant correlation between angle alpha or angle kappa and visual quality, further investigation is warranted.
METHODS: Retrospective analysis was performed for 47 consecutive eyes from 33 patients following routine phacoemulsification and implantation of CT Lucia 621PY monofocal IOLs for the treatment of cataract. Postoperative analysis was performed 6-weeks following surgery. Uncorrected distance visual acuity (UDVA), best-corrected distance visual acuity (BCVA) and manifest refraction were measured for all patients. Uncorrected mesopic contrast sensitivity (CS) was measured for a subset of 22 of the 47 eyes, and modulated transfer function (MTF) and angle alpha and angle kappa were measured for a separate subset of 19 eyes.
RESULTS: Mean spherical equivalent (SE) was -0.04±0.38 D, with 83% of eyes achieving within ±0.5 D of the refractive target. Mean UDVA was 0.05±0.1 LogMAR at 6 weeks postoperative, with 98% of eyes achieving 0.2 LogMAR or better. Mean BCVA was -0.02±0.06 LogMAR, with 87% of eyes achieving 0.00 LogMAR or better. Mean mesopic monocular CS was 1.4±0.26 sec arc, and 50% contrast was maintained at a spatial frequency of approximately 13 cycles per degree. There was no significant correlation between MTF and angle alpha or angle kappa.
CONCLUSION: The CT Lucia 621PY offers good visual and refractive outcomes. While there was no significant correlation between angle alpha or angle kappa and visual quality, further investigation is warranted.