All the symbols within this book has an acuity assigned to them.
Parents can share their child's responses with the doctor if there are concerns.
Prepares children to have their acuity measured with LEA symbol tests. LEA Symbols are printed in black ink on clear plastic in 12 M sizes, one of each of the 4 Symbols at each level allow you to measure near visual acuity, of low vision children, on a light box. They can be used with the P IVI Bee for a Light Box to assess acuity in a play situation or alone on the light box. An instructional booklet gives tips for testing children. You can have standard illumination anywhere that has an outlet.