A pair of strabismus diagnostic and exercise cards in black and white. The card to the left, 5, has the image of a dot in a magnifying glass with the handle pointing down; the card to the right, 5a, has the image of a dot in a magnifying glass with the handle pointing up. Stereoskopische Bilder für schielende Kinder.
Copyright:
This item may be under copyright protection. Please ask copyright owner for permission before publishing.
Related Title(s):
Hidden treasure and Is part of: Stereoskopische Bilder für schielende Kinder.; See related catalog record: 52331180R