1. Assessment of the optical contributions to the age-related deterioration in vision;Morrison, J.D.; McGrath, C.;Q Exp Physiol,1985
2. Colour perception in pseudophakia;Jay, J.L.; Gautam, V.B.; Allan, B.;BrJ Ophthalmol,1982
3. Improvements in or relating to artificial eye lenses. UK Patent GB 2101764B;Freeman, M.H.,1984
4. Diffractive bifocal contact lenses;Charman, W.N.;Contax,1986
5. Multizone bifocal contact lens design;Klein, S.A.; Ho, Z.-Y.;SPIE,1986