Fig. 3From: Binocular summation of visual acuity and contrast sensitivity in children with intermittent exotropiaPreoperative and postoperative contrast sensitivity (CS). a Binocular CS, dominant eye CS and nondominant eye CS before and after surgery. b Comparisions of BCS between preoperative value and postoperative value. c Postoperative BSR and IOR of CS at different spacial frequencies. *, P < 0.05, **, P < 0.01, ***, P < 0.001Back to article page