Snellen eye chart

3072 × 2304

Russian eye chart

1920 × 1200

Television Test Pattern — Black, Neutral, Vector Art

4673 × 2994

Russian eye chart for vision testing

1920 × 1200

Eye chart for vision testing

1934 × 3551

eye with circuit overlay

1200 × 964

Vision test chart

1600 × 1200

random number string

1600 × 1000

Eye chart with text

803 × 657

Diagonal Striped Pattern — Black, Minimalist, Abstract, Stripes, Gray

1600 × 1000

Eye chart with joke text

1280 × 1024

Color Gradient Pattern — Red, Vibrant, Abstract

1600 × 1000