Journal of refractive surgery (Thorofare, N.J. : 1995) · 2016
Clinical Outcomes After Cataract Surgery With a New Transitional Toric Intraocular Lens.
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Ferreira Tiago B, Berendschot Tos T J M, Ribeiro Filomena J
Аннотация
PURPOSE: To evaluate the visual outcomes of patients who underwent cataract surgery with implantation of a transitional toric monofocal intraocular lens (IOL) (Precizon Toric IOL, model 565; Ophtec BV, Groningen, The Netherlands).
METHODS: In this prospective case series, 51 eyes of 39 patients with cataract and regular keratometric astigmatism between 1.00 and 4.50 diopters (D) that had phacoemulsification with implantation of a Precizon Toric IOL were included. Over a 4-month follow-up period, the main outcome measures were uncorrected and corrected distance visual acuities (UDVA and CDVA, respectively), spherical equivalent (SE) refraction, astigmatism outcomes evaluated according to the Alpins method, the IOL's rotational stability, and higher order aberrations.
RESULTS: At the 4-month follow-up visit, mean UDVA was 0.06 ± 0.1 logMAR (range: 0.4 to -0.18 logMAR) (P < .001) and mean CDVA was -0.00 ± 0.07 logMAR (range: 0.15 to -0.18 logMAR) (P < .001). UDVA was 0.3 logMAR or better in 50 (98%) eyes and 0.1 logMAR or better in 42 (82%) eyes. Mean SE refraction was -0.19 ± 0.38 D (range: -1.13 to +0.50 D), with 44 (86%) eyes within ±0.50 D of the attempted correction. Mean target induced astigmatism was 1.96 ± 0.94 D (range: 0.70 to 4.50 D) and mean surgically induced astigmatism was 1.85 ± 1.01 D (range: 0.07 to 4.64 D). Mean correction index was 0.87 (range: 0.07 to 2.29 D). Mean toric IOL axis rotation was 1.98° ± 1.78° (range: 0° to 7°). Ocular aberrometry was within normal values.
CONCLUSIONS: The implantation of the Precizon Toric IOL in patients with cataract and corneal astigmatism provided excellent visual outcomes, predictability of refractive results, rotational stability, and good optical performance. [J Refract Surg. 2016;32(7):452-458.].
METHODS: In this prospective case series, 51 eyes of 39 patients with cataract and regular keratometric astigmatism between 1.00 and 4.50 diopters (D) that had phacoemulsification with implantation of a Precizon Toric IOL were included. Over a 4-month follow-up period, the main outcome measures were uncorrected and corrected distance visual acuities (UDVA and CDVA, respectively), spherical equivalent (SE) refraction, astigmatism outcomes evaluated according to the Alpins method, the IOL's rotational stability, and higher order aberrations.
RESULTS: At the 4-month follow-up visit, mean UDVA was 0.06 ± 0.1 logMAR (range: 0.4 to -0.18 logMAR) (P < .001) and mean CDVA was -0.00 ± 0.07 logMAR (range: 0.15 to -0.18 logMAR) (P < .001). UDVA was 0.3 logMAR or better in 50 (98%) eyes and 0.1 logMAR or better in 42 (82%) eyes. Mean SE refraction was -0.19 ± 0.38 D (range: -1.13 to +0.50 D), with 44 (86%) eyes within ±0.50 D of the attempted correction. Mean target induced astigmatism was 1.96 ± 0.94 D (range: 0.70 to 4.50 D) and mean surgically induced astigmatism was 1.85 ± 1.01 D (range: 0.07 to 4.64 D). Mean correction index was 0.87 (range: 0.07 to 2.29 D). Mean toric IOL axis rotation was 1.98° ± 1.78° (range: 0° to 7°). Ocular aberrometry was within normal values.
CONCLUSIONS: The implantation of the Precizon Toric IOL in patients with cataract and corneal astigmatism provided excellent visual outcomes, predictability of refractive results, rotational stability, and good optical performance. [J Refract Surg. 2016;32(7):452-458.].