1. Continuous use of hard corneal lenses for aphakia: (200 cases);Welsh;Ann Ophthalmol,1973
2. Microbiology of contact lens-related keratitis;Schein;Cornea,1989
3. Silicone hydrogels, the rebirth of continuous wear contact lenses;Sweeney,2000
4. An option overlooked: make room in your practice for RGP extended wear;Schnider;Rev Optom,1995
5. Peripheral corneal ulceration in rigid gas permeable extended wear. A case report;Terry;Optom Vis Sci,1989