Well established test designed for children but suitable for disabled people, those with learning difficulties or patients who do not share a common language with the examiner.
from Keeler Instruments Inc. for Sheridan Gardiner Child Acuity Test
Child Acuity Projector Slide from Stereo Optical Company, Inc.
Pediatric Vectographic Projector Slide 9200 from Stereo Optical Company, Inc.
Pediatric Vectographic Projector Slide 9400 from Stereo Optical Company, Inc.