conformity: illuminated magnifiers EU Declaration of conformity: electronic visual aids EU Declaration of conformity: head worn visual aids EU Declaration of conformity: magnifiers EU Declaration of conformity: [...] magnifiers / Modèles voir Annexe Déclaration de conformité UE: electronic visual aids Déclaration de conformité UE: head worn visual aids Déclaration de conformité UE: magnifiers Déclaration de conformité [...] conformidad: illuminated magnifiers Declaración UE de conformidad: electronic visual aids Declaración UE de conformidad: head worn visual aids Declaración UE de conformidad: magnifiers Declaración UE de conformidad:

una superficie della retina funzionante di circa 2,5 gradi, quindi di un angolo visuale di circa 5 gradi. Tale angolo visuale è necessario poiché i nostri occhi non leggono lettera per lettera, bensì rilevano