1. American National Standard for Ophthalmic-Intraocular Lenses-Optical and Physical Requirements, ANSI Z80.7-1984, American National Standards Institute, New York, 1984; 6—12
2. Intraocular lens resolution in air and water;Holladay;J Cataract Refract Surg,1987
3. Silicone intraocular lens resolution in air and in water;Holladay;J Cataract Refract Surg,1988
4. The holographic/diffractive bifocal contact lens;Loshin;ICLC,1989
5. New multifocal intraocular lens design;Hansen;J Cataract Refract Surg,1990