Clinical Outcomes Of A Truncated Diffractive Trifocal Aspheric Toric Intraocular Lens For Different Degrees Of Corneal Astigmatism

Published 2023 - 41st Congress of the ESCRS

Reference: PP25.10 | Type: Free paper | DOI: 10.82333/0a6m-dk62

Authors: Francisco Pastor-Pascual* ¹

¹Oftalvist Valencia,Valencia,Spain

Purpose

To assess visual acuity, refractive results, spectacle independence and patient’s satisfaction after trifocal toric intraocular lens (IOL) implantation after cataract surgery in astigmatic eyes (Vivinex Gemetric).

Setting

Oftalvist Valencia, Spain

Methods

This was a prospective, randomized, multicenter (10 centers), open-label bilateral study. 69 patients bilaterally implanted with the Vivinex Gemetric toric IOL were evaluated at 4-6 months post-surgery. Different toric models, from T2 to T5, as a function of the preoperative corneal astigmatism were used. We assessed spherical equivalent (SE), cylinder reduction, monocular uncorrected distance visual acuity (VA), achieved versus predicted residual refractive cylinder, binocular defocus curve, visual disturbances, patient’s satisfaction and spectacle use in binocular examination.

Results

From the defocus curve we obtained a mean VA of about 0.15 logMAR or better through -3.5D defocus and a mean VA peak of -0.05 logMAR at distance and 0.05 logMAR at near. Mean monocular uncorrected acuities of 0.08 logMAR at distance and 0.15 logMAR at intermediate and near were achieved. 92.4% and 85.7% of eyes were ±0.50 D of SE for the T2 and combined T3 to T5 groups, respectively. 89.4% and 77.8% of eyes were ±0.50 D in refractive cylinder for the T2 and combined T3 to T5 groups, respectively. 97.1% of patients would select the IOL again and recommend the IOL to others. >95% of patients never wore spectacles at distance and, at intermediate and near, the percentage of patients who never wore glasses were 100% and 84.1%, respectively.

Conclusions

The Vivinex Gemetric Toric trifocal IOL provides a wide range of vision at all distances from near to far with high spherical and cylindrical refractive predictability. The visual outcomes were associated with low rate of severe visual disturbances, high freedom from spectacles, and high satisfaction. The results obtained revealed that the residual error may influence patient satisfaction so that aggressive use of toric lenses may be beneficial.