This professional-grade 28D double aspheric lens is an essential tool for ophthalmologists and optometrists performing indirect ophthalmoscopy examinations. The high-quality optical glass features a double aspheric design that provides excellent clarity and minimal distortion when viewing the retina and other structures of the eye. The lens comes housed in a protective case to maintain its pristine condition between uses. The durable black metal housing features precise laser-etched markings indicating the 28 diopter specification. This lens delivers the magnification and field of view needed for thorough fundus examinations in clinical settings. The robust construction ensures reliable performance through repeated daily use in busy medical practices. Ideal for both experienced practitioners and teaching institutions, this lens maintains the high standards required for professional ophthalmic examination equipment.