1. Axial and instantaneous power conversion in corneal topography;Klein;Invest Ophthalmol Vis Sci,1995
2. The accuracy of `Power' maps to display curvature data in corneal topography systems;Roberts;Invest Ophthalmol Vis Sci,1994
3. Shape and refractive powers in corneal topography;Mein;Invest Ophthalmol Vis Sci,1995
4. Corneal power correction factor for photorefractive keratectomy;Mandell;J Refract Corneal Surg,1994
5. On the calculation of power from curvature of the cornea;Olsen;Br J Ophthalmol,1986