Journal of Cataract & Refractive Surgery
Volume 29, Issue 5 , Pages 961-965 , May 2003

Ultrasound axial length measurement in biphakic eyes

  • Kenneth J Hoffer, MD

      Affiliations

    • Jules Stein Eye Institute, University of California, Los Angeles, USA
    • St Mary’s Eye Center, Santa Monica, California, USA
    • Corresponding Author InformationReprint requests to Kenneth J. Hoffer, MD, St. Mary’s Eye Center, 1441 Broadway, Santa Monica, California 90404, USA.
    • The author has no financial or proprietary interest in any material or method mentioned.

,Accepted 9 October 2002.

References 

  1. Hoffer KJ. Ultrasound speeds for axial length measurement. J Cataract Refract Surg. 1994;20:554–562
  2. Arnold ND, Guenther AH. Experimental determination of ultrasonic wave velocities in plastics as functions of temperature. J Appl Polym Sci. 1966;10:731–743
  3. Folds DL. Experimental determination of ultrasonic wave velocities in plastics, elastomers, and syntactic foam as a function of temperature. J Acoust Soc Am. 1972;52:426–427
  4. Kono R. The dynamic bulk velocity of polystyrene and polymethylmethacrylate. J Phys Soc (Japan). 1960;15:718–725
  5. Asay JR, Lamberson DL, Guenther AH. Pressure and temperature dependence on the acoustic velocities in polymethylmethacrylate. J Appl Physics. 1969;40:1768–1783
  6. Hartmann B, Jarzynski J. Ultrasound measurements in polymers. J Acoust Soc Am. 1974;56:1469–1477
  7. Encyclopedia of Polymer Science and Engineering, 2nd ed. New York, NY, Wiley and Sons, 1989; Vol 1:147–149
  8. Hoffer KJ. Modern IOL Power Calculations: Avoiding Errors and Planning for Special Circumstances. Focal Points, Clinical Modules for Ophthalmology. San Francisco, CA, American Academy of Ophthalmology, 1999; 17(12)
  9. Hoffer KJ. The Hoffer Q formula (a comparison of theoretic and regression formulas). J Cataract Refract Surg. 1993;19:700–712

    ; errata, 1994; 20:677

  10. Holladay JT, Prager TC, Chandler TY, et al.  A three-part system for refining intraocular lens power calculations. J Cataract Refract Surg. 1988;14:17–24
  11. Hoffer KJ. Clinical results using the Holladay 2 intraocular lens power formula. J Cataract Refract Surg. 2000;26:1233–1237
  12. Retzlaff J, Sanders DR, Kraff MC. Development of the SRK/T intraocular lens implant power calculation formula. J Cataract Refract Surg. 1990;16:333–340

    correction, 528

PII: S0886-3350(03)00293-1

doi: 10.1016/S0886-3350(03)00293-1

Journal of Cataract & Refractive Surgery
Volume 29, Issue 5 , Pages 961-965 , May 2003

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