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Vision before and after scharioth macular lens implantation in patients with AMD: an electrophysiological study
J. Kremláček, J. Nekolová, M. Středová, J. Langrová, J. Szanyi, M. Kuba, Z. Kubová, F. Vít, P. Voda, M. Veselá, N. Jirásková
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, práce podpořená grantem
NLK
ProQuest Central
od 1997-03-01 do Před 1 rokem
Medline Complete (EBSCOhost)
od 2011-02-01 do Před 1 rokem
Health & Medicine (ProQuest)
od 1997-03-01 do Před 1 rokem
- MeSH
- elektroretinografie MeSH
- implantace nitrooční čočky MeSH
- lidé MeSH
- makulární degenerace * MeSH
- nitrooční čočky * MeSH
- zraková ostrost MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
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.
Citace poskytuje Crossref.org
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- $a Kremláček, Jan $u Department of Medical Biophysics, Faculty of Medicine in Hradec Kralove, Charles University, Simkova 870, 500 38, Prague, Hradec Kralove, Czech Republic. jan.kremlacek@lfhk.cuni.cz $u Department of Pathological Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Prague, Czech Republic. jan.kremlacek@lfhk.cuni.cz
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- $a 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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- $a Nekolová, Jana $u Department of Ophthalmology, Faculty of Medicine in Hradec Kralove, University Hospital Hradec Kralove, Charles University, Prague, Czech Republic
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- $a Vít, František $u Department of Pathological Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Prague, Czech Republic
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- $a Voda, Petr $u Department of Medical Biophysics, Faculty of Medicine in Hradec Kralove, Charles University, Simkova 870, 500 38, Prague, Hradec Kralove, Czech Republic
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- $a Veselá, Martina $u Department of Ophthalmology, Faculty of Medicine in Hradec Kralove, University Hospital Hradec Kralove, Charles University, Prague, Czech Republic
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- $a Jirásková, Naďa $u Department of Ophthalmology, Faculty of Medicine in Hradec Kralove, University Hospital Hradec Kralove, Charles University, Prague, Czech Republic
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