The Volk 3 Mirror G-3 Gonio Fundus Lens with Flange Goldman Style is an indirect ophthalmoscope designed for ophthalmological use. Made by the reputable brand Volk in the United States, this unit features a clear lens with a flange in the Goldman style. It is intended for professional use in the field of ophthalmology to examine the fundus of the eye. This high-quality device provides accurate and detailed images for diagnostic purposes. ( the lens does not have a case and has previous owner last name engraved on the side of the lens)