Methods of Improving the Visual Functions in Patients with Stable Maculopathy – Pilot Results of a New Study

Nekolová, Jana; Kremláček, Jan; Kuba, M; Středová, Markéta; Morávková, Daniela; Drtílková, Kristýna; Jirásková, N

doi:10.31348/2019/3/3

Cited by 1 publication

(2 citation statements)

References 10 publications

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“…Since the development of the SML principle and its use in maculopathies [10], four papers evaluating the effect of SML [11][12][13]27] and one case report of a patient with diabetic macular disease [28] have been published (pubmed.gov searched for ''Scharioth macula lens'' in July 2020). The studies agreed that the SML improves near visual acuity and does not affect distant vision.…”

Section: Discussionmentioning

confidence: 99%

“…Recent developments have shown that an add-on bifocal aspheric lens with unmagnified periphery and an addition of ? 10 diopters in the central portion measuring 1.5 mm in dia (''Scharioth macula lens''-SML, Medicontur International, Geneva, Switzerland) [10] could improve near vision and maintain distant vision without visual field reduction [11][12][13]. The main benefit of such a high add is that a closer working distance may be used (relative distance magnification) so that patients are able to read smaller sized print with less reliance on external magnifiers such as hand or stand magnifiers.…”

Section: Introductionmentioning

confidence: 99%

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Vision before and after scharioth macular lens implantation in patients with AMD: an electrophysiological study

et al. 2021

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Background For patients with age-related macular degeneration (AMD), a special intraocular lens implantation partially compensates for the loss in the central part of the visual field. For six months, we evaluated changes in neurophysiological parameters in patients implanted with a “Scharioth macula lens” (SML; a center near high add + 10 D and peripheral plano carrier bifocal lens designed to be located between the iris and an artificial lens). Methods Fourteen patients (5 M, 9 F, 63–87 years) with dry AMD were examined prior to and at 3 days after, as well as 1, 2, and 6 months after, implantation using pattern-reversal, motion-onset, and cognitive evoked potentials, psychophysical tests evaluating distant and near visual acuity, and contrast sensitivity. Results Near visual acuity without an external aid was significantly better six months after implantation than before implantation (Jaeger table median (lower; upper quartile): 4 (1; 6) vs. 15 (13; 17)). Distant visual acuity was significantly altered between the pre- (0.7 (0.5; 0.8) logMAR) and last postimplantation visits (0.8 (0.7; 0.8) logMAR), which matched prolongation of the P100 peak time (147 (135; 151) ms vs. 161 (141; 166) ms) of 15 arc min pattern-reversal VEPs and N2 peak time (191.5 (186.5; 214.5) ms vs. 205 (187; 218) ms) of peripheral motion-onset VEPs. Conclusion SML implantation significantly improved near vision. We also observed a slight but significant decrease in distant and peripheral vision. The most efficient electrophysiological approach to test patients with SML was the peripheral motion-onset stimulation, which evoked repeatable and readable VEPs.

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