American Journal of Ophthalmology
Volume 143, Issue 6 , Pages 920-931.e3 , June 2007

Biometry and Formula Accuracy With Intraocular Lenses Used for Cataract Surgery in Extreme Hyperopia

  • Robert E. MacLaren

      Affiliations

    • Moorfields Eye Hospital, City Road, London, United Kingdom
    • Institute of Ophthalmology, University College London, London, United Kingdom.
    • Corresponding Author InformationInquiries to Robert E. MacLaren, Consultant Ophthalmologist, Moorfields Eye Hospital, 162 City Road, London EC1V 2PD, United Kingdom
    • ,
  • Mythili Natkunarajah

      Affiliations

    • Institute of Ophthalmology, University College London, London, United Kingdom.
    • ,
  • Yasmin Riaz

      Affiliations

    • Moorfields Eye Hospital, City Road, London, United Kingdom
    • ,
  • Rupert R.A. Bourne

      Affiliations

    • Moorfields Eye Hospital, City Road, London, United Kingdom
    • ,
  • Marie Restori

      Affiliations

    • Moorfields Eye Hospital, City Road, London, United Kingdom
    • ,
  • Bruce D.S. Allan

      Affiliations

    • Moorfields Eye Hospital, City Road, London, United Kingdom
    • Institute of Ophthalmology, University College London, London, United Kingdom.

,Accepted 14 February 2007.

References 

  1. Jin GJC, Lyle WA, Merkley KH. Laser in situ keratomileusis for primary hyperopia. J Cataract Refract Surg. 2005;31:776–784
  2. Saxena R, Landesz M, Noordzij B, Luyten GP. Three-year follow-up of the Artisan phakic intraocular lens for hypermetropia. Ophthalmology. 2003;110:1391–1395
  3. Duffey RJ, Leaming D. US trends in refractive surgery: 2004 ISRS/AAO survey. J Refract Surg. 2005;21:742–748
  4. Retzlaff JA, Sanders DR, Kraff MC. Development of the SRK/T intraocular lens power calculation formula. J Cataract Refract Surg. 1990;16:333–340Errata, 528
  5. Sundin OH, Leppert GS, Silva ED, et al. Extreme hyperopia is the result of null mutations in MFRP, which encodes a Frizzled-related protein. Proc Natl Acad Sci USA. 2005;102:9553–9558
  6. Hoffer KJ. The Hoffer Q formula: a comparison of theoretic and regression formulas. J Cataract Refract Surg. 1993;19:700–712Errata, 1994;20:677
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  9. MacLaren RE, Sagoo MS, Restori M, Allan BDS. Biometry accuracy using zero or negative powered intraocular lenses. J Cataract Refract Surg. 2005;31:280–290
  10. Faktorovich EG, Maloney RK, Price FW ARC-T Study Group. Effect of astigmatic keratotomy on spherical equivalent: results of the astigmatism reduction clinical trial. Am J Ophthalmol. 1999;167:260–279
  11. Eleftheriadis H. IOLMaster biometry: refractive results of 100 consecutive cases. Br J Ophthalmol. 2003;87:960–963
  12. Rose LT, Moshegov CN. Comparison of the Zeiss IOLMaster and applanation A-scan ultrasound: biometry for intraocular lens calculation. Clin Experiment Ophthalmol. 2003;31:121–124
  13. Findl O, Kriechbaum K, Sacu S, et al. Influence of operator experience on the performance of ultrasound biometry compared to optical biometry before cataract surgery. J Cataract Refract Surg. 2003;29:1950
  14. Bourne RRA, Sorensen KE, Klauber A, et al. Glaucoma in East Greenlandic Inuit: population-based survey in Ittoqqortoormiit (Scoresbysund). Acta Ophthalmol Scand. 2001;79:462–467
  15. Cashwell LF, Martin CA. Axial length decrease accompanying successful glaucoma filtration surgery. Ophthalmology. 1999;106:2307–2311
  16. Issa SA, J Pacheco J, Mahmood U, et al. A novel index for predicting intraocular pressure reduction following cataract surgery. Br J Ophthalmol. 2005;89:543–546
  17. Koranyi G, Lydahl E, Norrby S, Taube M. Anterior chamber depth measurement: A-scan versus optical methods. J Cataract Refract Surg. 2002;28:243
  18. Petternel V, Menapace R, Findl O, et al. Effect of optic edge design and haptic angulation on postoperative intraocular lens position change. J Cataract Refract Surg. 2004;30:52–57
  19. Wirtitsch MG, Findl O, Menapace R, et al. Effect of haptic design on change in axial lens position after cataract surgery. J Cataract Refract Surg. 2004;30:52–58
  20. Hu C-Y, Woung L-C, Wang M-C, Jian J-H. Influence of laser posterior capsulotomy on anterior chamber depth, refraction, and intraocular pressure. J Cataract Refract Surg. 2000;26:1183–1189
  21. 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
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 Supplemental Material available at AJO.com.

PII: S0002-9394(07)00233-4

doi: 10.1016/j.ajo.2007.02.043

American Journal of Ophthalmology
Volume 143, Issue 6 , Pages 920-931.e3 , June 2007

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