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CONE ADAPTATION TEST
The test consists of 15, 2" x 2" (5 cm x 5 cm) red, blue, and white plastic chips designed to help parents, teachers, and doctors assess children’s visual difficulties in twilight. The test situation is not a formal test of night vision but gives useful information on visual adaptation to lighting changes.
$128.95
252900
GOOD - LITE
19 In Stock
The test consists of 15, 2" x 2" (5 cm x 5 cm) red, blue, and white plastic chips designed to help parents, teachers, and doctors assess children’s visual difficulties in twilight. The test situation is not a formal test of night vision but gives useful information on visual adaptation to lighting changes.