Ophthalmology All of them are true except: A Retiniblastomas are hereditry 40%, nonhereditary 60% B Retiniblastomas are B/L 30%, U/L 70% C Retiniblastomas are familial 6%, non-familial 94% D All are true 💡 Explanation All of them are true except: ✓ Correct Answer: D. All are true