Fig. 1

Preoperative photograph of a 4-year-old boy (no, 12) with left eye retinoblastoma, showing large angle esotropia and significant hypotropia (A). Six-month post strabismus surgery, photograph demonstrating small angle esotropia and acceptable result (B). Preoperative photograph of a 5-year-old boy (no, 16) with unilateral retinoblastoma, showing large angle esotropia and inferior oblique overaction of left eye (C). One year later, the photograph shows an acceptable result and slight exotropic shift (D). Preoperative photograph of a 6-year-old girl (no, 10) with treated left eye retinoblastoma demonstrating esotropia (E). Twelve months after strabismus surgery, the photograph shows orthotropia alignment (F)