1. Visual acuity, astigmatism and soft contact lenses;Grosvenor;Am. J. Optom.,1972
2. The gel lens — transferred corneal toricity as a function of lens thickness;Lee;Am. J. Optom.,1972
3. Vision with hydrophilic contact lenses;Sarver;J. Am. Optom. Assoc.,1972
4. Residual astigmatism and visual acuity with hydrogel contact lenses: a comparative study;Harris;J. Am. Optom. Assoc.,1979
5. Masking astigmatism with spherical soft lenses;Wechsler;Contact Lens Forum,1986