Question
What are the normal reference values for the pediatric vision screening instrument (s and c)?
Answer
Vision refers to the ability of the retina to distinguish images. The normal visual range for children is as follows: One year old - 0.2 to 0.25; Two years old - 0.3 to 0.5; Three years old - 0.6 to 0.7; Four years old - 0.7 to 0.8; ≥ Five years old - ≥1.0