Measurement: 215 x 105 mm
Foil: Colourless
Visus: 20% perception
10 individual foils can be cut from one foil in
order to equip 10 childrenÆs spectacles.
The foils can be cut using scissors.
Larger surfaces can also be covered for
special applications.
Prof. Bangerter and/or Prof. Lang have
developed the principle of the foils.