zone4dThis is the meaning of zone:. zone (English)Orin & history From Latin zōna, from Ancient Greek ζώνη (girdle, belt) Pronunciation (Amer. Eng.) (Amer. Eng.) zōn, IPA: zoʊn(Brit. Eng.), IPA:The core of our product will be soft contact lenses. Zonedin Vision offers soft hydrogel and silicone hydrogel monthly lenses.Our hydrogel lenses are made of Etafilcon-A (58% water