1. A review of some common contact lens complications. I. The corneal epithelium and stroma;Efron;Optician,1986
2. A review of some common contact lens complications. II. The corneal endothelium and conjunctiva;Efron;Optician,1986
3. The oxygen permeability of rigid gas permeable contact lenses: Reaching a consensus;Efron,1987
4. The Dk project: An interlaboratory comparison of Dk/L measurements;Holden;Optom. Vis. Sci.,1990
5. Critical oxygen levels to avoid corneal edema for daily and extended wear contact lenses;Holden;Invest. Ophthalmol. Vis. Sci.,1984