The American Optical Grolman Ophthalmic Frame Measuring Device is a precision tool designed for ophthalmologists to accurately measure and lenses. Made by the reputable brand American Optical, this device is essential for professionals in the field of Optometry and ophthalmology who require precise measurements to correctly prescribe corrective lenses. The Grolman model is known for its reliability and functionality, making it a valuable asset in any ophthalmic practice.