Surgical Synoptophore is a medical instrument widely used for diagnosing disorders in the eye muscles and treatment of the same by applying varied orthotic methods. This piece of equipment is ideal for the treatment of squints as well as binocular single vision. It helps in taking measure of different angles in which squint is present i.e. the size and the different positions of gaze. Moreover, Surgical Synoptophore is also used to take the measure of vertical and torsional deviations. With the help of Synoptophore, one can identify the motor and sensory fusion along with stereopsis (3D) vision.