Check the listing for details. Eye exam chart wall clock TESTED. Condition: Used. Listed at 19.99 USD. The product is a wall clock designed in the shape of an eye exam chart, providing a unique and functional addition to medical, lab, or dental spaces. This clock has been tested for quality assurance, ensuring accuracy and reliability in keeping time. Perfect for healthcare professionals or those in need of a reference chart for eye examinations, this clock combines practicality with a touch of visual interest.