Snellen chart for measurement of visual acuity.

Snellen chart for measurement of visual acuity.

Visual Acuity Ranges and Visual Acuity Notations

What is Visual Acuity? - Millennium Eye Center

Proper method for calculating average visual acuity.

Snellen chart, Psychology Wiki

Visual Acuity

The Snellen Chart or Snellen Scale

Functional vision assessment

Eye Test: 3 Free Eye Charts To Download and Print at Home

Eye Chart Test Charts Exam Visual Exams Feet Kids Wall Height Measurement Glasses Snellen Acuity Testing Vision Pocket Reading