This hand-held flashing fan has soft plastic blades with changing colour patterns to maintain interest during vision testing of infants and young children.
Three AAA batteries are included with the fan. They are not intended to be given to children to play with.
You may also like our Spinning Lights.
The pattern of colour changes all the time making it an interesting target at near or distance fixation for prolonged viewing, such as during cycloplegic retinoscopy.
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