Description: Main features: -A professional test book, which is a simple and accurate method for discovering congenital color blindness and red-green blindness, each in two forms, complete and incomplete. -It 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. -Color plates encased in specially designed album-type books for ease of handling. Detailed instructions included. -Individuals with color vision defect should see a different figure from individuals with normal color vision.
Price: 28 USD
Location: shenzhen，baoan
End Time: 2024-11-17T03:24:26.000Z
Shipping Cost: 0 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: Unbranded
Type: Color blind book
UPC: Does not apply
MPN: book
