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Four detailed targets to stimulate accommodation and to assess fixation and saccades. Set includes two targets printed on both sides with pediatric symbols for young children and two targets printed on both sides with Sloan letters for young adults and adults.
These fixation sticks are calibrated at 16 inches/40cm. The vetical lines of symbols and letters are 20/30 and 20/50. The single symbols and letters are 20/30, 20/50 and 20/80.
Durable vertical printing. Measures 5.875" x .75" (14.9cm x 1.9cm).