purevision 2 hd for presbyopia multifocal lenses 1 month 1Multifocal Contact Lenses Purevision 2 HD for Presbyopia For all orders of Purevision Lenses with Correction, delivery times are 7 to 14 business days. Description of Purevision 2 HD Multifocal Contact Lenses for Presbyopia The Clear Corrective Contact Lenses are manufactured by Bausch & Lomb. Made of silicone hydrogel, these Contact Lenses allow up to 3 times more oxygen to pass through than standard lenses. Features of Purevision 2 HD Lenses for