Yoked Prism Frame with Elastic String
Yoked Prism Frames with elastic string are available in 2 lens sizes: 38 mm for Pediatrics and 48 mm for adults. Comes with large thumb screw on each side so that each prism can be secured.
Yoked Prism Frames with elastic string are available in 2 lens sizes: 38 mm for Pediatrics and 48 mm for adults. Comes with large thumb screw on each side so that each prism can be secured.