face and body

With the OTO-Screen feature

acid indigestion

offices and lunchrooms

the Robi Comb is designed to electronically detect and destroy head lice on contact

10 Line Folding Distance Chart SC face and body(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