1. Optical shop testing;Malacara,1992
2. Method of calculation of corneal profile and power distribution;Doss;Arch Ophthalmol,1981
3. The slit lamp; history, principles and practice;Tage,1980
4. The angular dependence of light scattering by rabbit cornea;Feuk;Invest Ophthalmol,1987
5. Optical methods in biology;Slayter,1963