Bil. LR Rec. Using Standard Tables VS Reduced Numbers in Intermittent Exo. in Children Under 6

Inclusion Criteria: * Patients with poor control intermittent exotropia (where poor control is defined as having a Newcastle score of 3 or more). (9) * Basic, pseudo- divergence excess and divergence excess types are included. * If associated with amblyopia it should be corrected before the surgical correction (where the visual acuity will be assessed by the single crowded HOTV test using a commercial projector). Exclusion Criteria: * Intermittent exotropia of the convergence insufficiency type. * Intermittent exotropia with angle of deviation greater than 50 prism diopters. * Patients with previous squint surgery. * Patients with secondary deviation due to a sensory lesion or neurological condition.