<prompt> Not true about retinoblastoma -Bilateral in 20-30Affects age group 1-5 yearsMore common in malesLeukocoria is earliest symptom  <response>: Ans. is c More common in males o Retinoblastoma is the most common intraocular tumor in children. The tumor is confined to infancy and very young children 1-2 years. There is no sex predisposition. Retinoblastoma is unilateral in 70-75 of cases and bilateral in 25-30 of cases.o Gaze Fixation starts developing in the first month and is completed in 6 months,o Macula is fully developed by 4 - 6 months.o Fusional reflexes, stereopsis and accommodation is well developed by 4 - 6 months,o Cornea attains normal adult diameter by 2 years of age.o Lens grows throughout life. 