Empty Yoked Rotating Prisms for Children, each.
Empty frame for VTE yoked prisms children.
Plastic frame with anatomical fit for children and elastic band.
Central screw to lock the prism’s position.
Frame comes with soft shaped sponge rubber on back surface to perform comfortable nose fit and 1 more sponge nose support as replacement (see fig. 2).
Made of Abs material.
Colours available: blue and red.
Choose the colour when ordering.