Certified Ophthalmic Medical Technologist (COMT)

Answer: B - Retinoblastoma is a genetic tumor of photoreceptors in kids.

Retinoblastoma is a type of eye cancer that begins in the retina, the light-sensitive tissue that lines the back of the eye. It typically occurs in young children and is usually diagnosed before age five. This type of tumor is caused by a genetic mutation passed down through families and is the most common type of tumor of the eye in children.