Black sateen exterior with lining. Elastic headband.

Black sateen finish, elastic headband.

Malleable, lightweight, perforate convex eye shield with slots.

Ishihara Test Chart Books accepted by leading authorities as a simple and accurate method for discovering congenital color blindness and red-green blindness, each in two forms, complete and incomplete. Includes four special plates for tests to determine the kind and degree of defect in color vision. Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green.

The Jaeger eye chart is used for reading up close and for determining your near vision.

Shows easy to distinguish objects. 20 foot distance.

Precise, clear, legible; provides 20/800 distance equivalent testing at 14 inches.

The Snellen eye chart is the familiar chart with the big letter or symbol at the top and progressively smaller letters at the bottom of the chart down to 20/20 or better. It measures visual acuity at a distance.

Constructed of black plastic, shaped to occlude either eye without pressure.