1. Therapeutic uses of contact lenses;McDermott;Surv. Ophthalmol.,1989
2. ‘Light’ Section XII ‘Of the structure of the eye and of vision’;Herschel;Encyclopaedia Metropolitana,1845
3. The history of contact lenses;Sabell,1980
4. Molded contact lenses;Obrig;Arch. Ophthalmol. (NY),1938
5. The treatment of neuroparalytic keratitis with scleral contact lenses;Gould,1967