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Extended depth-of-focus toric intraocular lens targeted for binocular emmetropia or slight myopia in the nondominant eye: Visual and refractive clinical outcomes.

Abstract：

PURPOSE:To compare the visual and refractive outcomes with a diffractive toric extended depth-of-focus (EDOF) intraocular lens (IOL) when both eyes are targeted for emmetropia and the nondominant eye is targeted for slight myopia. SETTING:Three clinical practices, United States. DESIGN:Prospective case series. METHODS:Patients having routine cataract surgery with bilateral Tecnis Symfony toric EDOF IOL implantation were assigned to 1 of 2 groups. In 1 group, the nondominant eye was targeted for -0.50 diopter (D) (mini-monovision). Assessments included uncorrected monocular and binocular visual acuities (logarithm of the minimum angle of resolution) at distance (4 m), intermediate (66 cm), and near (40 cm) and the postoperative residual refractive error. RESULTS:Forty patients were enrolled in each group, with 1 dropout. The mean postoperative residual refractive astigmatism was 0.25 D in both groups, with no statistically significant difference. The mean residual refractive astigmatism was 0.50 D or lower in 92% of eyes (72/78) in the mini-monovision group and 95% of eyes (74/78) in the emmetropia group 3 months postoperatively. The mini-monovision group had slightly worse uncorrected visual acuity at 4 m than the emmetropia group (0.16 versus 0.09; P = .002) but better uncorrected acuity at 40 cm (0.25 versus 0.34; P < .001). Binocular uncorrected acuity was not statistically significantly different between groups at 4 m (-0.03 versus -0.01; P = .33) or 66 cm (0.06 versus 0.04; P = .34) but was statistically significant at 40 cm (0.25 versus 0.19; P = .03). CONCLUSIONS:The EDOF toric IOL provided functional distance, intermediate, and near vision. A slight monovision approach appears to improve near visual acuity.

journal_name

J Cataract Refract Surg

journal_title

Journal of cataract and refractive surgery

authors

Sandoval HP,Lane S,Slade S,Potvin R,Donnenfeld ED,Solomon KD

doi

10.1016/j.jcrs.2019.05.019

subject

Has Abstract

pub_date

2019-10-01 00:00:00

pages

1398-1403

issue

eissn

0886-3350

issn

1873-4502

pii

S0886-3350(19)30416-X

journal_volume

pub_type

杂志文章,多中心研究,随机对照试验

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Extended depth-of-focus toric intraocular lens targeted for binocular emmetropia or slight myopia in the nondominant eye: Visual and refractive clinical outcomes.