Snellen Traditional & Kindergarten Color Distance Vision Eye Chart 20 Ft
Snellen Traditional & Kindergarten Color Distance Vision Eye Chart 20 Ft
The Snellen eye test uses the idea of a subtended 5 minutes of arc with a 20 foot distance.
Visual acuity notation from 20/200 to 20/10 is also noted in meters.
The symbols on Kindergarten Eye Chart are printed in color which not only serves as a reference point, but also hints as to a patient's color perception.