More subtle definition of changes between acuity ranges specifically in amblyopic children.

Ideal for testing acuity of children from 3 years of age

• More subtle definition of changes between acuity ranges specifically in amblyopic children
• 3m working distance
• 4 letters at each acuity level from 6/3 to 6/38
• Laminated and washable
• FREE DELIVERY (Online Orders only)

2204-P-1231