1. A re-appraisal of the concept of fitting rigid hard lenses by the tear layer thickness and edge clearance technique;Atkinson;J. Br. Cont. Lens Assoc.,1984
2. Ocular characteristics in West Africans and Europeans: a comparison of two groups;Babalola;Br. J. Phys. Opt.,1960
3. Empirical fitting of RGP lenses;Back;Optom. Vis. Sci.,1996
4. Effect of topical anesthetic use on initial patient satisfaction and overall success with rigid gas permeable contact lenses;Bennett;Optom. Vis. Sci.,1998
5. Centre of gravity of rigid lenses: some design considerations;Carney;Int. Contact Lens Clin.,1987