Comparing visual acuity, low contrast acuity and contrast sensitivity after trifocal toric and extended depth of focus toric intraocular lens implantation
Clinical Ophthalmology Apr 25, 2020
Gundersen KG, et al. - Researchers conducted this non-interventional two-arm comparative study to compare visual acuity at various distances (far, intermediate and near), low contrast acuity and contrast sensitivity following trifocal toric and extended depth of focus (EDOF) toric intraocular lens (IOL) implantation. In total, 50 bilaterally implanted patients (25 trifocal, 25 EDOF) were analyzed; the two groups had similar features, including corneal astigmatism. In addition, postoperative refractive outcomes were similar. Of all measurements except near visual acuity, the trifocal and EDOF toric IOLs behaved similarly, where the trifocal toric provided significantly better acuity. This may be an important consideration for patients interested in reducing spectacle independence at near.
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