| Description | If you prefer a standard style iridectomy lens, then consider the Volk Iridectomy Lens. Its 8mm imaging bulb delivers the view you're used to but with the added benefit of Volk's exclusive Double Aspheric design and Laser Window for superior laser | The Fundus 20mm is a variation of Volk's standard Fundus Lens. The Fundus 20mm provides 1.44x magnification and has an increased 20mm contact element. The lens is designed so that the contact element sits under the patients eyelid during examination |