Profile: Donegan Optical Co., Inc. manufactures visual aids. Our OptiVISOR® precision headband binocular magnifier has features such as optical glass prismatic lenses, adjustable headband, high impact visor, and leather band. The AccurSITE® magnifier utilizes dual acrylic lens system, and gives a three dimensional view. The lenses are prismatic, and can be worn over prescription eyeglasses or safety glasses.