1. Automated clinical refraction;Guyton,1980
2. Automated clinical refraction;Guyton,1983
3. Automatic infrared refractors-1984;Rassow;Ophthalmology,1984
4. Automatic infrared refractors-1985;Rassow;Ophthalmology,1985
5. Computer-assisted eye examination. I. Computer-actuated eye refractors;Marg;Am J Optom,1973