- 3362 Walden Avenue, Depew, NY, 14043, USA
High-quality, diagnostic instruments and equipment for ophthalmologists, optometrists, life science researchers and field technicians. Lensometer®, Phoroptor®, Non-Contact “air puff” Tonometer and the Ocular Response Analyzer®. Industry-standard TONO-PEN® line of handheld applanation tonometers. Hand-held and bench-top refractometers like the Abbe Mark III, used in food, beverage, chemical and pharmaceutical industries. UNISTAT® Bilirubinometer for determining TSB (Total Serum Bilirubin) in newborns. Surface plasmon resonance (SPR) systems such as SR7500DC Dual Channel Surface Plasmon Resonance Instrument.