1Sanders DR, Kraff MC. Am intraccular implant. SOC J 1980;6:268.
2Retzlaff JA, et al. Amintraocular implant. Soc J 1980;6:268.
3Retzlaff JA, et al. Lens implant power caculation. 3rd thorafare:benson 1990:1--22.
4Holladay JT,Prager,Accurate ultrasonic biometry in pseudophakia.Am J Ophthalmol 1980;107:189-190.
5Sanders DR, Retzlff JA, Kraff MC, et at. Comparision of the SR/T formula and other theoretical and regression formulas,J Cataract Refract S 1990;16:341-346.
