The Shin-Nippon BR-10 Refracting instrument offers time tested configuration that includes dual loupe turrets with synchronized Jackson cross cylinders and rotary prisms. Front reading corneal sights and convergence device are incorporated for ease of use. Ease of control, functional smoothness and quiet operation assures efficiency and long lasting satisfaction. The Shin-Nippon BR-10 Refractor offers many features such as a rotation adjustment knob, Mounting Bracket, tilt clamp knob, reading rod clamp screw, reading rod holder, and forehead rest knob.