The Keeler Vantage Plus is designed to save time while providing balanced comfort for extended use in a range of clinical applications through the binocular optical view used in conjunction with a condensing lens. An Indirect Ophthalmoscope is an AC or battery-powered device containing illumination and viewing optics; and it is intended to be used to examine the cornea, aqueous, lens, vitreous and retina of the eye. The device is intended for use by a trained healthcare professional, and is mounted on the user’s head.