Extended wear soft contact lens 'Permalens'
1979
Fused bifocal hard contact lens
1980-1982
Gas permeable hard contact lens
1980-1982
PMMA hard corneal lens
1980-1982
Selection of ten coloured blanks
1980-1982
C.A.B. gas permeable hard contact lens
1980-1982
Selection of four examples of HEMA soft contact lenses by A. Gasson
1980-1982