M Mrochen

Summary

Country: Switzerland

Publications

  1. ncbi Customized ablation algorithm for the treatment of steep central islands after refractive laser surgery
    Farhad Hafezi
    Institute for Refractive and Ophthalmic Surgery, Zurich, Switzerland
    J Cataract Refract Surg 32:717-21. 2006
  2. ncbi Correlation between corneal and total wavefront aberrations in myopic eyes
    Michael Mrochen
    University of Zurich, Dept of Ophthalmology, Zurich, Switzerland
    J Refract Surg 19:104-12. 2003
  3. ncbi Revealing company secrets--please tell the truth and nothing but the truth!
    Michael Mrochen
    University of Zurich, Dept. of Ophthalmology, Switzerland
    J Refract Surg 18:S644-51. 2002
  4. ncbi Aberration-sensing and wavefront-guided laser in situ keratomileusis: management of decentered ablation
    Michael Mrochen
    University of Zurich, Dept of Ophthalmology, Switzerland
    J Refract Surg 18:418-29. 2002
  5. ncbi Influence of corneal curvature on calculation of ablation patterns used in photorefractive laser surgery
    M Mrochen
    University of Zurich, Dept of Ophthalmology, Switzerland
    J Refract Surg 17:S584-7. 2001
  6. ncbi [Fundamentals of wavefront-guided refractive corneal surgery]
    M Mrochen
    Universitat Zurich, Augenklinik, Frauenklinik Strasse 24, 8091 Zurich, Schweiz
    Ophthalmologe 98:703-14. 2001
  7. ncbi Erbium: yttrium-aluminum-garnet laser induced vapor bubbles as a function of the quartz fiber tip geometry
    M Mrochen
    UKCGC, Technical University of Dresden, Department of Opthalmology, Fetscherstr 74, 01307 Dresden, Germany
    J Biomed Opt 6:344-50. 2001
  8. ncbi Improvement in photorefractive corneal laser surgery results using an active eye-tracking system
    M Mrochen
    Department of Ophthalmology, University of Zurich, Frauenklinik Strasse 24, CH 8091 Zurich, Switzerland
    J Cataract Refract Surg 27:1000-6. 2001
  9. ncbi [Cavitation bubble formation during Erbium:YAG laser vitrectomy]
    M Mrochen
    Universitäts Spital Zürich, Augenklinik, Frauenklinikstrasse 24, CH 8091 Zurich
    Ophthalmologe 98:163-7. 2001
  10. ncbi Increased higher-order optical aberrations after laser refractive surgery: a problem of subclinical decentration
    M Mrochen
    University of Zurich, Department of Ophthalmology, Zurich, Switzerland
    J Cataract Refract Surg 27:362-9. 2001

Collaborators

Detail Information

Publications36

  1. ncbi Customized ablation algorithm for the treatment of steep central islands after refractive laser surgery
    Farhad Hafezi
    Institute for Refractive and Ophthalmic Surgery, Zurich, Switzerland
    J Cataract Refract Surg 32:717-21. 2006
    ..This new treatment algorithm may be of benefit to patients experiencing visual side effects due to SCI formation after PRK or LASIK surgery...
  2. ncbi Correlation between corneal and total wavefront aberrations in myopic eyes
    Michael Mrochen
    University of Zurich, Dept of Ophthalmology, Zurich, Switzerland
    J Refract Surg 19:104-12. 2003
    ..We investigated correlations between corneal and total wavefront aberrations and the relevance of corneal aberrations for representing the optical quality of the total eye...
  3. ncbi Revealing company secrets--please tell the truth and nothing but the truth!
    Michael Mrochen
    University of Zurich, Dept. of Ophthalmology, Switzerland
    J Refract Surg 18:S644-51. 2002
  4. ncbi Aberration-sensing and wavefront-guided laser in situ keratomileusis: management of decentered ablation
    Michael Mrochen
    University of Zurich, Dept of Ophthalmology, Switzerland
    J Refract Surg 18:418-29. 2002
    ..To clarify the feasibility of aberration-sensing and wavefront-guided laser in situ keratomileusis (LASIK) to manage grossly decentered ablation and to discuss the limitations of the technology...
  5. ncbi Influence of corneal curvature on calculation of ablation patterns used in photorefractive laser surgery
    M Mrochen
    University of Zurich, Dept of Ophthalmology, Switzerland
    J Refract Surg 17:S584-7. 2001
    ....
  6. ncbi [Fundamentals of wavefront-guided refractive corneal surgery]
    M Mrochen
    Universitat Zurich, Augenklinik, Frauenklinik Strasse 24, 8091 Zurich, Schweiz
    Ophthalmologe 98:703-14. 2001
    ..First clinical trails on wavefront-guided corneal laser surgery demonstrate the possibility of improving the optical quality of the eye by LASIK or PRK and to correct irregular astigmatism...
  7. ncbi Erbium: yttrium-aluminum-garnet laser induced vapor bubbles as a function of the quartz fiber tip geometry
    M Mrochen
    UKCGC, Technical University of Dresden, Department of Opthalmology, Fetscherstr 74, 01307 Dresden, Germany
    J Biomed Opt 6:344-50. 2001
    ..The aim of this work was to clarify the possibilities of controlling the vapor bubble shape and size by using an optimized fiber tip geometry for various ophthalmic applications with the erbium: YAG laser...
  8. ncbi Improvement in photorefractive corneal laser surgery results using an active eye-tracking system
    M Mrochen
    Department of Ophthalmology, University of Zurich, Frauenklinik Strasse 24, CH 8091 Zurich, Switzerland
    J Cataract Refract Surg 27:1000-6. 2001
    ..To study the advantage of modern eye-tracking systems for photorefractive surgery...
  9. ncbi [Cavitation bubble formation during Erbium:YAG laser vitrectomy]
    M Mrochen
    Universitäts Spital Zürich, Augenklinik, Frauenklinikstrasse 24, CH 8091 Zurich
    Ophthalmologe 98:163-7. 2001
    ..The aim of this experimental work was to investigate the cavitation bubble formation during Erbium:YAG laser vitrectomy and to find optimized laser parameters and the best geometry of the aspiration port of the microsurgical probe...
  10. ncbi Increased higher-order optical aberrations after laser refractive surgery: a problem of subclinical decentration
    M Mrochen
    University of Zurich, Department of Ophthalmology, Zurich, Switzerland
    J Cataract Refract Surg 27:362-9. 2001
    ..To study the clinical and theoretical effects of subclinical decentrations on the optical performance of the eye after photorefractive laser surgery...
  11. ncbi Clinical results of wavefront-guided laser in situ keratomileusis 3 months after surgery
    M Mrochen
    Department of Ophthalmology, University of Zurich, Switzerland
    J Cataract Refract Surg 27:201-7. 2001
    ..To investigate the visual and refractive outcome of wavefront-guided laser in situ keratomileusis (LASIK) to correct myopic astigmatism...
  12. ncbi Clinical experience with the Tscherning aberrometer
    M Kaemmerer
    University of Dresden, Dept of Ophthalmology, Germany
    J Refract Surg 16:S584-7. 2000
    ..With the aberrometer based on Tscherning's principle, measurements of wavefront aberrations of human eyes with high accuracy and reproducibility are available for standard diagnostic investigations...
  13. ncbi Ocular optical aberrometer for clinical use
    P Mierdel
    University of Technology, Department of Ophthalmology, D 01307 Dresden, Germany
    J Biomed Opt 6:200-4. 2001
    ..Deviations of all spots from their ideal regular positions are measured by means of a PC, and from these values the intraocular wave front aberration is computed in the form of the sum of Zernike polynomials up to sixth order...
  14. ncbi Principles of Tscherning aberrometry
    M Mrochen
    Department of Ophthalmology at the University of Zurich, Switzerland
    J Refract Surg 16:S570-1. 2000
    ..The deviations of all spots from their ideal regular positions are measured by means of a personal computer, and from these values the optical aberrations are computed in the form of Zernike polynomials up to the 8th order...
  15. ncbi Limitations of erbium:YAG laser photorefractive keratectomy
    M Mrochen
    University of Dresden, Department of Ophthalmology, Germany
    J Refract Surg 16:51-9. 2000
    ..However, corneal application of this mid-infrared solid state laser is still plagued with various disadvantages compared to that of the ArF excimer laser (lambda = 193 nm). We discuss the limitations of PRK with the erbium:YAG laser...
  16. ncbi Dependence of wave front refraction on pupil size due to the presence of higher order aberrations
    H P Iseli
    IROC Institute of Refractive and Ophthalmic Surgery, Zurich, Switzerland
    Eur J Ophthalmol 15:680-7. 2005
    ..The change was correlated with the amount of fourth and sixth order spherical aberration and fourth and sixth order astigmatism...
  17. ncbi Treatment-induced shifts of ocular reference axes used for measurement centration
    Michael Bueeler
    Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
    J Cataract Refract Surg 31:1986-94. 2005
    ..Axis shifts might lead to misinterpretation of data such as a wrong diagnosis of a decentered ablation or changes in the Zernike representation...
  18. ncbi Two-step procedure to enlarge small optical zones after photorefractive keratectomy for high myopia
    Farhad Hafezi
    Institute for Refractive and Ophthalmic Surgeons IROC, Zurich, Switzerland
    J Cataract Refract Surg 31:2254-6. 2005
    ..Such 2-step procedures may be of great benefit to patients with small optical zones and low central corneal thickness...
  19. ncbi Q-factor customized ablation profile for the correction of myopic astigmatism
    Tobias Koller
    , , Switzerland
    J Cataract Refract Surg 32:584-9. 2006
    ..5 D. Corneal asphericity was less impaired by the custom-Q treatment up to -5 D of myopia...
  20. ncbi The effect of phenylephrine and cyclopentolate on objective wavefront measurements
    Mirko R Jankov
    Milos Clinic Eye Hospital, Belgrade, Serbia and Montenegro
    J Refract Surg 22:472-81. 2006
    ..To investigate the impact of phenylephrine and cyclopentolate on wavefront refraction and fourth order spherical aberration C12...
  21. ncbi Wavefront-guided versus wavefront-optimized laser in situ keratomileusis: contralateral comparative study
    Prema Padmanabhan
    Medical and Vision Research Foundation, Tamil Nadu, India
    J Cataract Refract Surg 34:389-97. 2008
    ..To compare the outcomes of wavefront-guided and wavefront-optimized treatment in fellow eyes of patients having laser in situ keratomileusis (LASIK) for myopia...
  22. ncbi Clinical photoablation with a 500-Hz scanning spot excimer laser
    Hans Peter Iseli
    Institut für Refraktive und Okuloplastische Chirurgie IROC AG, Zollikerstrasse 164, Ch 8008 Zurich, Switzerland
    J Refract Surg 20:831-4. 2004
    ....
  23. ncbi Transferring wavefront measurements into corneal ablations: an overview of related topics
    Michael Mrochen
    IROC-Institute of Refractive and Ophthalmic Surgery, Zurich, Switzerland
    J Refract Surg 20:S550-4. 2004
    ..Professionals associated with customized treatment should be informed and trained with respect to possible sources of error...
  24. ncbi Limitations of pupil tracking in refractive surgery: systematic error in determination of corneal locations
    Michael Bueeler
    Swiss Federal Institute of Technology Zurich, Institute of Biomedical Engineering, Zurich, Switzerland
    J Refract Surg 20:371-8. 2004
    ..CONCLUSIONS: The fact that corneal displacement was generally underestimated by up to 30% of the measured entrance pupil shift demonstrates the severity of the parallax effect...
  25. ncbi Optical low coherence reflectometry for noncontact measurements of flap thickness during laser in situ keratomileusis
    Uwe Genth
    The Department of Ophthalmology, University of Dresden, Dresden, Germany
    Ophthalmology 109:973-8. 2002
    ....
  26. ncbi Anterior lamellar keratoplasty with a microkeratome: a method for managing complications after refractive surgery
    Farhad Hafezi
    Department of Ophthalmology, University Hospital Zurich, Switzerland
    J Refract Surg 19:52-7. 2003
    ..CONCLUSIONS: Anterior lamellar keratoplasty with a microkeratome can be used for the management of certain complications of PRK and LASIK...
  27. ncbi Maximum permissible lateral decentration in aberration-sensing and wavefront-guided corneal ablation
    Michael Bueeler
    Department of Ophthalmology, University of Zurich, Zurich, Switzerland
    J Cataract Refract Surg 29:257-63. 2003
    ..Rough centration based on the surgeon's judgment might not be accurate enough to achieve significantly improved optical quality in a high percentage of treated eyes...
  28. ncbi From scattering to wavefronts--what's in between?
    Michael Mrochen
    Swiss Federal Institute of Technology, University of Zurich, Zurich, Switzerland
    J Refract Surg 19:S597-601. 2003
    ..We looked beyond aberrations defined by Zernike expression to discuss implications of fine irregularities associated with highly aberrated corneal surfaces and complex surface roughness that can lead to light scattering...
  29. ncbi Laser intrastromal keratoplasty--case report
    Mirko Jankov
    Augenklinik, Universitatsspital Zurich, Switzerland
    J Refract Surg 20:79-84. 2004
    ..To evaluate the feasibility of correcting high hyperopia by means of intrastromal implantation of a laser shaped corneal lenticule prepared from a human donor eye...
  30. ncbi Maximum permissible torsional misalignment in aberration-sensing and wavefront-guided corneal ablation
    Michael Bueeler
    Swiss Federal Institute of Technology Zurich, Institute of Biomedical Engineering, Zurich, Switzerland
    J Cataract Refract Surg 30:17-25. 2004
    ..Rough centration based on the surgeon's judgment may not be accurate enough to achieve significantly improved optical quality in a high percentage of treated eyes...
  31. ncbi Wavefront-optimized ablation profiles: theoretical background
    Michael Mrochen
    Swiss Federal Institute of Technology and Institute of Biomedical Engineering, University of Zurich, Gloriastrasse 35, CH 8092 Zurich, Switzerland
    J Cataract Refract Surg 30:775-85. 2004
    ..To describe a method for calculating wavefront-optimized ablation profiles to precompensate for the spherical aberration and higher-order astigmatism induced by myopic, hyperopic, and astigmatic corneal laser corrections...
  32. ncbi Corneal and total wavefront aberrations in phakic and pseudophakic eyes after implantation of monofocal foldable intraocular lenses
    Hans Peter Iseli
    Institute of Refractive and Ophthalmic Surgery, Zurich, Switzerland
    J Cataract Refract Surg 32:762-71. 2006
    ..Thus, both corneal and total wavefront measurements are relevant for the assessment of outcomes after cataract surgery...
  33. ncbi Safety of UVA-riboflavin cross-linking of the cornea
    Eberhard Spoerl
    Department of Ophthalmology, Universitatsklinikum Dresden, Dresden, Germany
    Cornea 26:385-9. 2007
    ..To study potential damage to ocular tissue during corneal collagen cross-linking (X-linking) by means of the riboflavin/UVA (370 nm) approach...
  34. ncbi Effect of riboflavin-UVA-induced collagen cross-linking on intraocular pressure measurement
    Timo Romppainen
    Department of Ophthalmology, University of Zurich, Zurich, Switzerland
    Invest Ophthalmol Vis Sci 48:5494-8. 2007
    ..Yet a CCL-induced increase in corneal rigidity may interfere with intraocular pressure (IOP) measurements. In an investigation of the effect of CCL on the accuracy of IOP measurements, IOP readings before and after CCL were compared...
  35. ncbi Simulation of eye-tracker latency, spot size, and ablation pulse depth on the correction of higher order wavefront aberrations with scanning spot laser systems
    Michael Bueeler
    Swiss Federal Institute of Technology Zurich, Switzerland
    J Refract Surg 21:28-36. 2005
    ....
  36. ncbi Optical ray tracing for the calculation of optimized corneal ablation profiles in refractive treatment planning
    Michael Mrochen
    IROC AG Institut für Refraktive und Ophthalmo Chirurgie, Zurich, Switzerland
    J Refract Surg 24:S446-51. 2008
    ..Individualized eye models can provide accurate ablation profiles for these cases. The aim of this report is to analyze the relevance of individualized eye models for refractive treatment planning from a theoretical point of view...