1. A Manual of Implant Power Calculation;Retzlaff,1982
2. The optical design of intraocular lens implants;Binkhorst;Ophthalmic Surg,1975
3. Calculation of the power of an iris clip lens for distant vision;Colenbrander;Br J Ophthalmol,1973
4. Posterior chamber intraocular lens power calculation in 441 cases;Maloney;J Am Intraocul Implant Soc,1979
5. Minimizing postoperative refractive error;Gills;Contact Intraocul Lens Med J,1980