Age-related macular degeneration Veronika Matušková C:\Dokumenty\Obrázky\Nemocnice\Nemocnice Bohunice2.jpg Age-related macular degeneration (AMD) ØThe most common cause of blindness in developped countries ØAMD is multifactorial disease caused by combination of predisponing genes and influences of external environment •Age-related macular degeneration (AMD) Metamorphopsia Obr1b [USEMAP] • • • Související obrázek •Amsler grid • C:\Dokumenty\Litomyšl\Obrázky\RPE.jpg Výsledek obrázku pro bruchs membrane •Ethiopathogenesis of AMD •¯RPE cells with age (apoptosis, necrosis) •¯melanosoms •lipofuscin accumulation •apoptosis • • C:\Dokumenty\Litomyšl\Obrázky\RPE1.jpg ØDry form of drusen, RPE AMD changes, geographic atrophy of RPE • •Classification of AMD •Drusen •RPE changes •Geographic atrophy of RPE cells Holxcnerova OD CL • •Classification of AMD •Wet form of AMD •Choroidal neovascularisation ØCNV • • • D:\Litomyšl\Obrázky\schéma CNV.jpg •classical •occult •Classification of AMD •minimally classic •Choroidal neovascul membrane C:\Dokumenty\PDT\Cimbalnik FA1.jpg •CNV – classic •Fluorescein angiography D:\Obrázky Imagenet\PDT\Cimbalnik FA2.jpg D:\Obrázky Imagenet\PDT\Dovrtelova OS led.jpg •CNV - occult IM000023 •Optical coherence tomography • Výsledek obrázku pro oct amd cnv •Risc factors of AMD •Genetic factors •Race influences •Gender and hormonal influences •Vascular risc factors •Environmental influences •Antioxidants level • •Risc factors of AMD Výsledek obrázku pro losos •Antioxidants ØLutein and zeaxantin (the most important retinal carotenoids) Therapy of AMD (summary) ØDry form - lutein, zeaxantin ØWet form - Anti VEGF – intravitreal aplication 100_4944