Flipper1 to perform M.E.M. retinoscopy.
Flipper with 4 spherical biconvex lenses to perform M.E.M. retinoscopy.
Lenses geometry and disposition make their use easy for both right and left handed.
Flipper comes with the following lenses power:
+0,25; +0,50; +0,75; +1.00
The frame flipper has an indicator on each side to indicate lens powers and position.