Keeler Professional COMBI LED Streak Retinoscope Head, 3.5v

DESCRIPTION: Available as Professional LED Retinoscope or Professional Combi (bulb) Retinoscope options. Keeler’s patent-pending LED Retinoscope is an ergonomic and portable handheld diagnostic instrument that will last a lifetime. Comes with fixation cards for dynamic retinoscopy. Simply clip on and off for easy use. FEATURES: BCS Technology (LED only in streak beam):Easiest and most accurate refraction from the brightest illumination, increased contrast, and sharpness in your hands. Longest battery life:Practice makes perfect, and our LED technology will increase your on time up to 300%, as compared to non-LED technology. Double neutralization check: The Professional Combi (bulb) Retinoscope allows for the user to switch from spot to streak with the facility to double-check neutralization in both modes. Easy access control: The Professional LED Retinoscope uses rare Earth magnet technology to provide optical precision refraction. A single control is used for rotation, convergence,