Gulden’s Flashing Butterfly Fixation Stick provides a series of detailed accommodation-stimulation targets for the young patient. They are made with extremely durable plastic sticks with fixation flashers.
Single sticks can be used for performing various tests: unilateral (cover/uncover) test at near, alternating cover test at near, pursuit testing, near point of convergence (NPC), motilities (ductions and versions), vergence facility at near, fixation stability at near in diagnostic positions of gaze, amplitude of accommodation, and accommodative facility. Powered by a single coin battery.