ALADDIN - User manual Rev. 19 EN of 10/07/2019
19 APPENDIX B: BIBLIOGRAPHY
Please refer to the following literature references on the formulae (in case of specific questions please
contact Visia Imaging):
• Haigis: http://www.augenklinik.uni-wuerzburg.de/uslab/ioltxt/haid.htm
• HofferQ: HOFFER KJ: The Hoffer Q formula: A comparison of theoretic and regression formulas.
J Cataract Refract Surg, 19:700-712, 1993; ERRATA 20:677, 1994
• Reply: Errata in printed Hoffer Q formula. Journal of Cataract & Refractive Surgery, Volume 33,
Issue 1, Pages 2-3, January 2007, Authors: Kenneth J. Hoffer, MD
• Holladay: HOLLADAY JT, PRAGER TC, CHANDLER TY, MUSGROVE KH, LEWIS JW, RUIZ RS: A three-
part system for refining intraocular lens power calculations. J Cataract Refract Surg, 14:17-24,
1988
• SRKII: RETZLAFF J: A new intraocular lens calculation formula, Am Intra-Ocular Implant Soc J
6:148-152, 1980
• SRK/T: RETZLAFF J, SANDERS DR, KRAFF MC: Development of the SRK/T intraocular lens implant
power calculation formula. J Cataract Refract Surg 16 (3):333-340, 1990
• Barrett Universal II: Barrett Graham D.: An improved universal theoretical formula for intraocular
lens power prediction. Journal of Cataract & Refractive Surgery, Volume 19, Issue 6, 713-720
• Olsen: Olsen Thomas et al.: C constant: New concept for ray tracing–assisted intraocular lens
power calculation. Journal of Cataract & Refractive Surgery , Volume 40 , Issue 5 , 764 – 773,
2014
• Olsen Thomas: United States Patent US8657445B2, System and method for determining and
predicting IOL power in situ, February 2014
• Olsen: Olsen T., Corydon L., Gimbel H.: Intraocular lens power calculation with an improved
anterior chamber depth prediction algorithm. Journal of Cataract & Refractive Surgery, Volume
21, Issue 3, 313-9, 1995
Correction of corneal radii/corneal refraction after corneal refractive surgery:
• HOLLADAY JT: IOL calculations following RK. Refract Corneal Surg 5(3):203, 1989
• HOFFER KJ: Intraocular lens power calculation for eyes after refractive keratotomy. J Refract Surg
11:490:493, 1995
Calculation of phakic implants:
• vd HEIJDE GL, FECHNER PU, WORST JGF: Optische Konsequenzen der Implantation einer
negativen Intraokularlinse bei myopen Patienten. Klin MB1 Augenheilk 192:99-102, 1988
• HOLLADAY JT: Refractive power calculations for intraocular lenses in the phakic eye. Am J
Ophthalmol 116:63-66, 1993
• HAIGIS W: Biometry in complicated situations, 9th Conv. of DGII 1995, Rochels et al (Hrsg.),
Springer, 17-26, 1996
Relations between ultrasound and optical biometer calculation constants:
• RETZLAFF J, SANDERS DR, KRAFF MC (1990): Lens Implant Power Calculation - A manual for
ophthalmologists & biometrists, 3rd edition, Slack Inc, Thorofare NJ, USA