10 Line Folding Distance Chart Unavailable Z-fold 3" x 4 yds

Z-fold 3" x 4 yds

Small Design

auditoriums or other areas where a large mass of injured persons are gathered

and primary classrooms as well as special education

10 Line Folding Distance Chart Unavailable Z-fold 3" x 4 yds(17" x 17" to 17" x 8 1 2") Patti Pic optotype chart for vision testing at 10 feet. Used to identify amblyopia in children as young as 2 1 2 4 years old and for people with language difficulties. Chart may be hand held or wall mounted. This folding chart is designed for distance and Amblyopia vision screening of young children in schools. Test includes: FRONT Proportional spacing . Visual Acuity range 30 m to 2. 4 m (20 200 to 20 16 equivalent). 24 m