During a well-child exam on a 4-year-old child, the primary care pediatric nurse practitioner notes that the clinic nurse recorded "20/50" for the child's vision and observed that the child had difficulty cooperating with the exam. What will the nurse practitioner recommend?

Choice A reason: Referral to a pediatric ophthalmologist is appropriate when visual acuity is below age-expected norms and cooperation during the exam is poor. At age 4, normal acuity should be around 20/40 or better. A result of 20/50 warrants further evaluation to rule out amblyopia or refractive errors, especially if the child was uncooperative. Choice B reason: Waiting 6 months may delay diagnosis and treatment of a potentially correctable visual impairment. Early intervention is crucial in preventing long-term deficits in visual development. Choice C reason: Retesting in 1 month may still yield unreliable results if the child remains uncooperative. Without specialized tools or expertise, the primary care setting may not be sufficient for accurate assessment. Choice D reason: A 1-year delay is inappropriate for a child with subnormal vision and poor cooperation. This could risk missing a critical window for visual correction and neurodevelopmental optimization.