Abstract
BackgroundTo prospectively evaluate surgical results following implantation of rotationally asymmetric, plate-haptic, refractive segmented multifocal toric intraocular lenses (IOLs) with near addition of + 1.5 diopters (D) (Lentis Comfort LS-313 MF15T, Oculentis GmbH).MethodsIn 59 eyes of 41 patients, ocular examinations were conducted before and 1 day, 1 week, 1, 3, and 6 months after surgery. Uncorrected (UDVA) and corrected (CDVA) distance visual acuity, uncorrected (UIVA) and distance-corrected (DCIVA) intermediate visual acuity at 70 cm, and uncorrected (UNVA) and distance-corrected (DCNVA) near visual acuity at 30 cm were tested. A defocus curve was drawn, and the degree of disturbing photic phenomena were questioned.ResultsThe IOL showed excellent rotational stability; the average absolute rotation was 1.66 ± 1.17 degrees from 1 day 1 to 6 months postoperatively, and 98.1 and 100% of eyes yielded rotation of less than 5 and 10 degrees, respectively. Postoperative distance and intermediate visual acuity were highly satisfactory; UDVA, CDVA, UIVA, and DCIVA were about 20/20, 20/16, 20/25, 20/25, respectively. Near visual acuity was suboptimal; UNVA and DCNVA were at approximately 20/60. The defocus curve analysis showed that 20/25 and 20/40 uncorrected visual acuity was attained at as close as 60 and 40 cm, respectively. Contrast sensitivity was within a normal range, and subjective photic phenomena were minimum.ConclusionsThe refractive segmented, rotationally asymmetric multifocal toric IOLs with + 1.5 D near addition showed superb rotational stability and highly satisfactory distance and intermediate vision. Contrast sensitivity was high and incidence of photic symptoms was very low.Trial registrationThis study was registered at JAPIC Clinical Trials Information, ID: JapicCTI-183,877, https://www.clinicaltrials.jp/cti-user/trial/Search.jsp (February 5, 2018).
Highlights
To prospectively evaluate surgical results following implantation of rotationally asymmetric, platehaptic, refractive segmented multifocal toric intraocular lenses (IOLs) with near addition of + 1.5 diopters (D) (Lentis Comfort LS-313 MF15T, Oculentis GmbH)
Lentis Comfort LS-313 MF15T is the toric version of this IOL and expected to further enhance patients’ visual performance
Near visual acuity was lower compared with distance and intermediate visual acuity (Fig. 3)
Summary
To prospectively evaluate surgical results following implantation of rotationally asymmetric, platehaptic, refractive segmented multifocal toric intraocular lenses (IOLs) with near addition of + 1.5 diopters (D) (Lentis Comfort LS-313 MF15T, Oculentis GmbH). The rotationally asymmetric, refractive segmented intraocular lens (IOL) with + 1.5 diopter (D) addition (Lentis Comfort LS-313 MF15, Oculentis GmbH, Berlin, Germany) is a relatively new generation of multifocal IOL that is designed to boost intermediate performance while suppressing disturbing photic phenomena [1,2,3,4,5,6]. This IOL does not compromise contrast sensitivity of patients, and the frequency and degree of glare and halo are similar to those of monofocal IOLs [6], leading to widespread acceptance within a monofocal IOL segment in several markets. The current multicenter, 6-month prospective study was conducted to evaluate surgical outcomes of rotationally asymmetrical, refractive multifocal IOL with near addition of + 1.5 D
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