Journal of Cataract & Refractive Surgery
Volume 31, Issue 7 , Pages 1338-1344 , July 2005

Clinical application of the lens haptic plane concept with transformed axial lengths

,Accepted 20 December 2004.

References 

  1. Norrby NES. The lens haptic plane (LHP) a fixed reference for IOL implant power calculation. Eur J Implant Refract Surg. 1995;7:202–209
  2. Norrby NES, Koranyi G. Prediction of intraocular lens power using the lens haptic plane concept. J Cataract Refract Surg. 1997;23:254–259
  3. Norrby S. Using the lens haptic plane concept and thick-lens ray tracing to calculate intraocular lens power. J Cataract Refract Surg. 2004;30:1000–1005
  4. Norrby S, Lydahl E, Koranyi G, Taube M. Comparison of 2 A-scans. J Cataract Refract Surg. 2003;29:95–99
  5. Artal P, Berrio E, Guirao A, Piers P. Contribution of the cornea and internal surfaces to the change of ocular aberrations with age. J Opt Soc Am A Opt Image Sci Vis. 2002;19:137–143
  6. Wang L, Koch DD. Ocular higher-order aberrations in individuals screened for refractive surgery. J Cataract Refract Surg. 2003;29:1896–1903
  7. Guirao A, Redondo M, Geraghty E, et al. Corneal optical aberrations and retinal image quality in patients in whom monofocal intraocular lenses were implanted. Arch Ophthalmol. 2002;120:1143–1151
  8. Norrby S, Lydahl E, Koranyi G, Taube M. Reduction of trend errors in power calculation by linear transformation of measured axial lengths. J Cataract Refract Surg. 2003;29:100–105
  9. Haigis W, Lege B, Miller N, Schneider B. Comparison of immersion ultrasound biometry and partial coherence interferometry for intraocular lens calculation according to Haigis. Graefes Arch Clin Exp Ophthalmol. 2000;238:765–773
  10. Norrby S. Multicenter biometry study of 1 pair of eyes. J Cataract Refract Surg. 2001;27:1656–1661
  11. Asano Y, Mizuno K, Galin MA. [Dimension comparison of axial length and corneal curvature between Japanese and Caucasians]. (Japanese) Jpn Rev Clin Ophthalmol. 1986;80:2167–2170
  12. Clemmesen V, Olurin O. Lens thickness in Western Nigeria; a comparative ultrasonic study in Negros and Danes. Acta Ophthalmol. 1985;63:274–276
  13. Hoffer KJ. Clinical results using the Holladay 2 intraocular lens power formula. J Cataract Refract Surg. 2000;26:1233–1237
  14. Koranyi G, Lydahl M, Norrby S, Taube M. Anterior chamber depth measurement: A-scan versus optical methods. J Cataract Refract Surg. 2002;28:243–247
  15. Bissman W. Optical ACD measurement with the Zeiss IOLMaster. Available at: http://www.augenklinik.uni-wuerzburg.de/eulib/texte/czjacd-e.htm (site managed by Haigis W). Accessed.
  16. Holladay JT, Musgrove KH, Prager TC, et al. A three-part system for refining intraocular lens power calculations. J Cataract Refract Surg. 1988;14:17–24
  17. Hoffer KJ. The Hoffer Q formula: A comparison of theoretic and regression formulas. J Cataract Refract Surg. 1993;19:700–712errata 1994; 20:677
  18. Retzlaff JA, Sanders DR, Kraff MC. Development of the SRK/T intraocular lens implant power calculation formula. J Cataract Refract Surg. 1990;16:333–340correction, 528
  19. Holladay JT, Maverick KJ. Relationship of the actual thick intraocular lens optic to the thin lens equivalent. Am J Ophthalmol. 1998;126:339–347
  20. Naeser K, Boberg-Ans J, Bargum R. Biometry of the posterior lens capsule: a new method to predict pseudophakic anterior chamber depth. J Cataract Refract Surg. 1990;16:202–206
  21. Apple DJ, Solomon KD, Tetz MR, et al. Posterior capsule opacification. Surv Ophthalmol. 1992;37:73–116
  22. Koeppl C, Findl O, Kriechbaum K, et al. Postoperative change in effective lens posistion of a 3-piece acrylic intraocular lens. J Cataract Refract Surg. 2003;29:1974–1979

 Presented in part at the ASCRS Symposium on Cataract, IOL and Refractive Surgery, Boston, Massachusctts, USA, May 2000.Sverker Norrby is an employee of AMO (formerly Pharmacia), and Eva Lydahl was a consultant to Pharmacia at the time of this study. No other author has a financial or proprietary interest in any material or method mentioned.

PII: S0886-3350(05)00150-1

doi: 10.1016/j.jcrs.2004.12.061

Journal of Cataract & Refractive Surgery
Volume 31, Issue 7 , Pages 1338-1344 , July 2005