1. Clinical results with Feincone contact lenses;Feinbloom;Am J Optom Arch Am Acad Optom,1946
2. The tangent cone contact lens;Hart;Australasian J Optom,1948
3. An analysis of the global contours and haptic contact lens fitting;Marriott;Br J Physiol Opt,1966
4. Preformed haptic lenses;Bier,1977
5. Exploring beyond the corneal borders;van der Worp;Contact Lens Spectrum,2010