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To evaluate a new monofocal extended depth of focus IOL that meets ISO standards for a monofocal IOL, the xact Mono-EDOF ME4 from Santen.
So far 14 patients have been recruited, mean age of patients is 65.5 ± 8.5 years. All patients underwent cataract surgery with implantation of the Mono-EDOF ME4 intraocular lens in both eyes. Postop follow-up examination includes visual acuity testing, defocus curve, contrast sensitivity, halo&glare evaluation.
So far 29 intraocular Mono-EDOF lenses have been implanted ranging from +19.5 to +27.0 diopters. Follow-up at 3 months postoperatively revealed an uncorrected distance visual acuity of 0.13 logMAR, best corrected distance visual acuity of 0.00 logMAR and binocular uncorrected intermediate visual acuity of 0.16 logMAR. Contrast sensitivity testing showed comparable results as in a healthy population. Photopsia evaluation showed only minimal Halo, Glare and blurred vision.
The Xact monoEDOF IOL shows good functional results for far and intermediate visual acuity. The defocus curve shows the extended depth of focus. Contrast sensitivity is comparable to the healthy population. Only a low level of photic phenomena was reported by the patients who were very satisfied with the results.