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Depth of focus in pseudophakic eyes

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Abstract

Purpose

To assess depth of field/depth of focus in pseudophakic eyes as function of visual acuity. Setting: Department of ophthalmology of National Medical Academy of Postgraduate Education.

Methods

Forty-three pseudophakic eyes of 43 patients after implantation in the capsular bag of monofocal posterior chamber IOLs were examined. All patients had visual acuities at least 20/20 for distance. Visual acuity was examined by charts consisting the Landolt’s rings under defined constant illumination within distance from 3 m to 20 cm from patients’ eyes at various distances with difference of 10 cm (29 measurements). Depth of field was calculated in diopters.

Results

The mean value of the depth of field in pseudophakic eyes with pupil diameter of 3 ± 0.3 mm was as follows: 1.12 D for visual acuity 20/20, 0.62 D for visual acuity 20/13, and 0.47 D for visual acuity 20/10.

Conclusions

Depth of focus correlates to normal levels of visual acuity. The higher the visual acuity, the lower the depth of focus. The ability of clear vision due to depth of focus-pseudoaccommodation is passive function. Separating the pseudoaccommodation from artificial accommodation in eyes with accommodative IOLs requires strict standardization of methodology especially regarding diameter of pupil, size of test objects, and level of illumination.

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References

  1. Ciuffreda KJ (2007) Accommodation, the pupil, and presbyopia. In: Benjamin WJ (ed) Borish’s Clinical refraction. W.B. Saunders Company, pp 77–121

  2. Oshima S (1958) Studies on the depth-of-focus of the eye. Jpn J Ophthalmol 2:63–72

    Google Scholar 

  3. von Bahr G (1952) Studies of the depth-of-focus of the eye. Acta Ophthalmol (Copenh) 30:39–44

    Google Scholar 

  4. Campbell FW (1957) The depth of field of the human eye. Opt Acta (Lond) 4:157–164

    Article  Google Scholar 

  5. Charman WN, Whitefoot H (1977) Pupil diameter and the depth-of-field of the human eye as measured by laser speckle. Opt Acta (Lond) 24:1211–1216

    Article  Google Scholar 

  6. Tucker J, Charman WN (1977) The depth-of-focus of the human eye for Snellen letters. Am J Optom Physiol Opt 53:3–21

    Google Scholar 

  7. Nio Y et al (2007) Effect of intraocular lens implantation on visual acuity, contrast sensitivity and depth of focus. J Cataract Refract Surg 29:2073–2081. doi:10.1016/j.jcrs.2003.07.007

    Article  Google Scholar 

  8. Ogle KN, Schwartz JT (1959) Depth-of-focus of the human eye. Am J Optom Physiol Opt 49:273–280

    Article  CAS  Google Scholar 

  9. Sergienko NM, Tutchenko NN (2007) Depth of focus: clinical manifestation. Eur J Ophthalmol 17:836–840

    PubMed  CAS  Google Scholar 

  10. Bille JF, Buchler-Costa J, Muller F (2000) Optical quality of the human eye: the quest for perfect vision. In: Bille JF, Harner CFH, Loesel FH (eds) Aberration-free refractive surgery. Springer, Berlin Heidelberg New York, pp 61–82

    Google Scholar 

  11. Volz R, von Pape U (2000) Wavefront driven custom ablation: first clinical results. In: Bille JF, Harner CFH, Loesel FH (eds) Aberration-free refractive surgery. Springer, Berlin Heidelberg New York, pp 193–211

    Google Scholar 

  12. Findl O (2003) Intraocular lens movement caused by ciliary muscle contraction. J Cataract Refract Surg 29:667–676

    Google Scholar 

  13. Thornton SP (2005) Restoring accommodation: what is real and what is pseudo? J Cataract Refract Surg 31:1851–1852

    Article  PubMed  Google Scholar 

  14. Dogru M et al (2005) Early visual results with the 1 CU accommodating intraocular lens. J Cataract Refract Surg 31:895–902

    Article  PubMed  Google Scholar 

  15. Mastropasqua L et al (2003) Clinical study of the 1CU accommodating intraocular lens. J Cataract Refract Surg 29:1307–1312

    Article  PubMed  Google Scholar 

  16. Doane JF, Morris S, Borer AD, EuDaly LS, Denning JA (2000) Wavefront analysis: clinical primer. In: Bille JF, Harner CFH, Loesel FH (eds) Aberration-free refractive surgery. Springer, Berlin Heidelberg, New York, pp 93–123

    Google Scholar 

  17. Langenbucher A et al (2002) Measurement of accommodation after implantation of an accommodating posterior chamber intraocular lens. J Cataract Refract Surg 29:677–685

    Article  Google Scholar 

  18. Atchison DA (2005) Pseudoaccommodation with forward movement of IOLs. J Cataract Refract Surg 31(1):11

    Article  PubMed  Google Scholar 

  19. Koeppl C et al (2005) Pilocarpine induced shift of an accommodating intraocular lens: AT-45 Crystalline. J Cataract Refract Surg 31:1290–1297

    Article  PubMed  Google Scholar 

  20. Dell SJ (2005) Pilocarpine-induced shift of an accommodating IOL. J Cataract Refract Surg 31:1469–1477

    Article  PubMed  Google Scholar 

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Authors and Affiliations

  1. Department of Ophthalmology, National Medical Academy of Postgraduate Education, Kiev, Ukraine

    Nikolai M. Sergienko & Yury N. Kondratenko

  2. Eye Microsurgery Center, Komarov Ave, 3, Kiev, 03680, Ukraine

    Nikolai M. Sergienko & Nikolai N. Tutchenko

Authors
  1. Nikolai M. Sergienko
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  2. Yury N. Kondratenko
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  3. Nikolai N. Tutchenko
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Corresponding author

Correspondence to Nikolai M. Sergienko.

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Authors have no financial interest in any material or method mentioned.

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Sergienko, N.M., Kondratenko, Y.N. & Tutchenko, N.N. Depth of focus in pseudophakic eyes. Graefes Arch Clin Exp Ophthalmol 246, 1623–1627 (2008). https://doi.org/10.1007/s00417-008-0923-3

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  • DOI: https://doi.org/10.1007/s00417-008-0923-3

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