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Because iScreen Vision is a photoscreener, it is designed to create digital “red reflex” images of a child’s eyes, which allows school nurses to screen the vision of children who are too young to use an eye chart, or Snellen chart, and also allows for a more comprehensive vision screening than vision screenings which school nurses perform with just eye charts. Source: American Association for Pediatric Ophthalmology and Strabismus (AAPOS) website at

School Vision Screening FAQs
These FAQs discuss topics including:School Vision Screening, the National Association of School Nurses (sometimes referred to as the School Nurse Association), and School Nurse Vision Screening.