Gima 31301 Snellen Optometric Chart, Colour Bar Chart with Red and Green Bar, Dimension 23 x 35.5 cm, Distance 3 m

Snellen Chart with red and green bar Distance eye chart for vision testing at 3 m - 10 Feet Visual acuity range 20/100 to 20/16. Eye chart measures 23 X 35.5 cm (9 X 14 in.) Traditional Snellen Optotypes This Snellen chart includes Red and Green color bars for an easy and helpful colorvision test screens These optotypes feature strong serifs and follow idea of the 5x5 grid.