G Wollensak

Summary

Publications

  1. doi request reprint Interlamellar cohesion after corneal crosslinking using riboflavin and ultraviolet A light
    G Wollensak
    Eye Laser Institute, Halle, Germany
    Br J Ophthalmol 95:876-80. 2011
  2. doi request reprint [Leonhard Euler and the Science of Optics in his "Letters to a German Princess"]
    G Wollensak
    Augenklinik, Vivantes Klinikum Neukölln, Wildentensteig 4, 14195 Berlin
    Klin Monbl Augenheilkd 224:945-9. 2007
  3. ncbi request reprint Wound healing in the rabbit cornea after corneal collagen cross-linking with riboflavin and UVA
    Gregor Wollensak
    Moscow Helmholtz Research Institute of Eye Diseases, Moscow, Russia
    Cornea 26:600-5. 2007
  4. ncbi request reprint Hydration behavior of porcine cornea crosslinked with riboflavin and ultraviolet A
    Gregor Wollensak
    Department of Ophthalmology, Vivantes Klinikum Neukölln, Berlin, Germany
    J Cataract Refract Surg 33:516-21. 2007
  5. ncbi request reprint Biomechanical significance of the human internal limiting lamina
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Retina 26:965-8. 2006
  6. ncbi request reprint Crosslinking treatment of progressive keratoconus: new hope
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Curr Opin Ophthalmol 17:356-60. 2006
  7. ncbi request reprint [Friedrich Joseph Haas-- the holy doctor from Moscow]
    G Wollensak
    Klin Monbl Augenheilkd 222:513-5. 2005
  8. ncbi request reprint Influence of indocyanine green staining on the biomechanical properties of porcine anterior lens capsule
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Technical University of Dresden, Dresden, Germany
    Curr Eye Res 29:413-7. 2004
  9. ncbi request reprint Biomechanical characteristics of retina
    Gregor Wollensak
    Department of Ophthalmology, Universitätsklinkum CGC, Dresden, Germany
    Retina 24:967-70. 2004
  10. doi request reprint Crosslinking of scleral collagen in the rabbit using glyceraldehyde
    Gregor Wollensak
    Department of Ophthalmology, Martin Luther University, Halle, Germany
    J Cataract Refract Surg 34:651-6. 2008

Detail Information

Publications47

  1. doi request reprint Interlamellar cohesion after corneal crosslinking using riboflavin and ultraviolet A light
    G Wollensak
    Eye Laser Institute, Halle, Germany
    Br J Ophthalmol 95:876-80. 2011
    ..In keratoconus, interlamellar and interfibrillar slippage have been proposed as pathogenetic mechanisms. Therefore, the aim of this study was to assess the impact of collagen crosslinking on the interlamellar cohesive force...
  2. doi request reprint [Leonhard Euler and the Science of Optics in his "Letters to a German Princess"]
    G Wollensak
    Augenklinik, Vivantes Klinikum Neukölln, Wildentensteig 4, 14195 Berlin
    Klin Monbl Augenheilkd 224:945-9. 2007
  3. ncbi request reprint Wound healing in the rabbit cornea after corneal collagen cross-linking with riboflavin and UVA
    Gregor Wollensak
    Moscow Helmholtz Research Institute of Eye Diseases, Moscow, Russia
    Cornea 26:600-5. 2007
    ..This study was undertaken to investigate the wound healing process of the first 6 weeks after photodynamic cross-linking treatment in the rabbit cornea, using the photosensitizer riboflavin and UVA...
  4. ncbi request reprint Hydration behavior of porcine cornea crosslinked with riboflavin and ultraviolet A
    Gregor Wollensak
    Department of Ophthalmology, Vivantes Klinikum Neukölln, Berlin, Germany
    J Cataract Refract Surg 33:516-21. 2007
    ..To examine the influence of a new crosslinking treatment on corneal swelling properties that correlate with the degree of crosslinking...
  5. ncbi request reprint Biomechanical significance of the human internal limiting lamina
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Retina 26:965-8. 2006
  6. ncbi request reprint Crosslinking treatment of progressive keratoconus: new hope
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Curr Opin Ophthalmol 17:356-60. 2006
    ..Biomechanical measurements have shown an impressive increase in corneal rigidity of 328.9% in human corneas after crosslinking...
  7. ncbi request reprint [Friedrich Joseph Haas-- the holy doctor from Moscow]
    G Wollensak
    Klin Monbl Augenheilkd 222:513-5. 2005
  8. ncbi request reprint Influence of indocyanine green staining on the biomechanical properties of porcine anterior lens capsule
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Technical University of Dresden, Dresden, Germany
    Curr Eye Res 29:413-7. 2004
    ..The aim of the current in vitro study was to examine the effect of ICG staining on the biomechanical strength of the anterior porcine lens capsule...
  9. ncbi request reprint Biomechanical characteristics of retina
    Gregor Wollensak
    Department of Ophthalmology, Universitätsklinkum CGC, Dresden, Germany
    Retina 24:967-70. 2004
  10. doi request reprint Crosslinking of scleral collagen in the rabbit using glyceraldehyde
    Gregor Wollensak
    Department of Ophthalmology, Martin Luther University, Halle, Germany
    J Cataract Refract Surg 34:651-6. 2008
    ..To strengthen rabbit sclera in vivo using chemical crosslinking with glyceraldehyde for a scleral-based treatment of progressive myopia...
  11. doi request reprint Gel electrophoretic analysis of corneal collagen after photodynamic cross-linking treatment
    Gregor Wollensak
    Department of Ophthalmology, Vivantes Klinikum Neukölln, Berlin, Germany
    Cornea 27:353-6. 2008
    ..Its aim was to analyze the possible changes in the electrophoretic pattern of corneal collagen type I after collagen cross-linking treatment...
  12. doi request reprint Biomechanical changes of the internal limiting membrane after indocyanine green staining
    Gregor Wollensak
    Department of Ophthalmology, Vivantes Klinikum Neukölln, Berlin, Germany
    Dev Ophthalmol 42:82-90. 2008
    ..Without light exposure there was no such effect suggesting a light-dependent process. The stiffening effect of ICG and light is due to a photosensitizing effect of ICG leading to collagen cross-linking of the ILM...
  13. doi request reprint Thermomechanical stability of sclera after glyceraldehyde crosslinking
    Gregor Wollensak
    Eye Laser Institute, Halle, Germany
    Graefes Arch Clin Exp Ophthalmol 249:399-406. 2011
    ..The aim of the present study was to investigate the changes in thermo-mechanical stability after scleral glyceraldehyde crosslinking, allowing a better evaluation of the efficacy of crosslinking...
  14. doi request reprint Significance of the lacunar hydration pattern after corneal cross linking
    Gregor Wollensak
    Department of Ophthalmology, Martin Luther University, Halle, Germany
    Cornea 29:899-903. 2010
    ..The aim of the present study was to investigate the characteristic honeycomb hydration pattern after corneal cross linking using in vivo rabbit cornea...
  15. doi request reprint Significance of the riboflavin film in corneal collagen crosslinking
    Gregor Wollensak
    Department of Ophthalmology, Eye Laser Institute, Martin Luther University, Halle, Germany
    J Cataract Refract Surg 36:114-20. 2010
    ..To evaluate the role of the preocular riboflavin film in ultraviolet-A (UVA) absorption in corneal collagen crosslinking (CXL)...
  16. doi request reprint Biomechanical and histological changes after corneal crosslinking with and without epithelial debridement
    Gregor Wollensak
    Department of Ophthalmology, Eye Laser Institute, Martin Luther University, Halle, Germany
    J Cataract Refract Surg 35:540-6. 2009
    ..To test the biomechanical efficiency of corneal crosslinking with riboflavin without epithelial debridement (C3-R)...
  17. doi request reprint Potential use of riboflavin/UVA cross-linking in bullous keratopathy
    Gregor Wollensak
    Eye Laser Institute, Department of Ophthalmology, Martin Luther University, Halle, Germany
    Ophthalmic Res 41:114-7. 2009
    ..Collagen cross-linking of the cornea has been shown by us to have an antiedematous effect in the cornea. The aim of the present study was to examine if this effect can be used for the treatment of bullous keratopathy...
  18. doi request reprint Long-term biomechanical properties of rabbit sclera after collagen crosslinking using riboflavin and ultraviolet A (UVA)
    Gregor Wollensak
    Department of Ophthalmology, Martin Luther University, Halle, Germany
    Acta Ophthalmol 87:193-8. 2009
    ..In the present study, the long-term effect of the new crosslinking method on biomechanical properties was investigated in the rabbit sclera...
  19. doi request reprint Long-term biomechanical properties of rabbit cornea after photodynamic collagen crosslinking
    Gregor Wollensak
    Eye Laser Center, Department of Ophthalmology, Martin Luther University, Halle, Germany
    Acta Ophthalmol 87:48-51. 2009
    ..The present study was undertaken to evaluate the longterm biomechanical effects of this new cross-linking treatment as a necessary prerequisite to its clinical success...
  20. doi request reprint Long-term biomechanical properties after collagen crosslinking of sclera using glyceraldehyde
    Gregor Wollensak
    Department of Ophthalmology, Martin Luther University, Halle, Germany
    Acta Ophthalmol 86:887-93. 2008
    ..It might therefore become an option for a sclera-based treatment of progressive myopia. The present pilot study was designed to test the long-term biomechanical efficiency of the new crosslinking method...
  21. ncbi request reprint [Petrus Hispanus (1205? - 1277) -- ophthalmologist, logician, pope]
    G Wollensak
    Klin Monbl Augenheilkd 221:797-803. 2004
  22. ncbi request reprint Corneal endothelial cytotoxicity of riboflavin/UVA treatment in vitro
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    Ophthalmic Res 35:324-8. 2003
    ..Therefore, pachymetry should be routinely performed before riboflavin/UVA treatment to exclude patients at risk...
  23. ncbi request reprint Keratocyte apoptosis after corneal collagen cross-linking using riboflavin/UVA treatment
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    Cornea 23:43-9. 2004
    ..The current study was undertaken to investigate the possible cytotoxic effect of combined riboflavin/UVA treatment on corneal keratocytes in vivo...
  24. ncbi request reprint Keratocyte cytotoxicity of riboflavin/UVA-treatment in vitro
    G Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    Eye (Lond) 18:718-22. 2004
    ..As part of a safety evaluation, the present study was undertaken to investigate in vitro the possible cytotoxic effect of combined riboflavin/UVA-treatment on corneal keratocytes and to compare it to UVA-irradiation alone...
  25. ncbi request reprint Riboflavin/ultraviolet-a-induced collagen crosslinking for the treatment of keratoconus
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Germany
    Am J Ophthalmol 135:620-7. 2003
    ..The aim of the present study was to evaluate the clinical usefulness of riboflavin/UVA-induced collagen crosslinking for bringing the progression of keratoconus to a halt...
  26. ncbi request reprint Evaluation of treatment by pulsed electromagnetic fields in a rabbit hyphema model
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Ophthalmologica 217:143-7. 2003
    ..We tried to test the value of PEMF treatment in a hyphema animal model with well-defined conditions...
  27. ncbi request reprint [Treatment of keratoconus by collagen cross linking]
    G Wollensak
    Universitäts Augenklinik Dresden
    Ophthalmologe 100:44-9. 2003
    ..In this study,we tried to treat keratoconus patients with this method to stop the progression of corneal ectasia...
  28. ncbi request reprint An immunohistochemical study of endothelin-1 converting enzyme in the human eye
    Gregor Wollensak
    University Eye Clinic Dresden, Dresden, Germany
    Curr Eye Res 24:6-11. 2002
    ..The purpose of this study was to clarify the anatomical distribution of ECE-1 in the human eye...
  29. ncbi request reprint Collagen crosslinking of human and porcine sclera
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    J Cataract Refract Surg 30:689-95. 2004
    ..To develop methods of collagen crosslinking the sclera to increase its biomechanical strength for the treatment of progressive myopia...
  30. ncbi request reprint Cross-linking of scleral collagen in the rabbit using riboflavin and UVA
    Gregor Wollensak
    Moscow Helmholtz Research Institute of Eye Diseases, Moscow, Russia
    Acta Ophthalmol Scand 83:477-82. 2005
    ..We tried to strengthen rabbit sclera by cross-linking scleral collagen using ultraviolet A (UVA) and the photosensitizer riboflavin...
  31. pmc Interphase fluorescence in situ hybridisation of the X and Y chromosomes in the human eye
    G Wollensak
    Eye Pathology Laboratory, Wilmer Eye Institute, Johns Hopkins University Medical Institutions, Baltimore, MD, USA
    Br J Ophthalmol 85:1244-7. 2001
    ..To determine the sex of individual cells in paraffin sections of the human eye by fluorescence in situ hybridisation (FISH) of the X and Y chromosomes...
  32. ncbi request reprint Biomechanical changes in the anterior lens capsule after trypan blue staining
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    J Cataract Refract Surg 30:1526-30. 2004
    ..To examine the effect of trypan blue staining on the biomechanical behavior of the porcine anterior lens capsule...
  33. ncbi request reprint Collagen fiber diameter in the rabbit cornea after collagen crosslinking by riboflavin/UVA
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Cornea 23:503-7. 2004
    ..The aim of the present study was to evaluate the effect of this new procedure on the collagen fiber diameter of the rabbit cornea...
  34. ncbi request reprint Endothelial cell damage after riboflavin-ultraviolet-A treatment in the rabbit
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    J Cataract Refract Surg 29:1786-90. 2003
    ..To evaluate the possible cytotoxic effect of combined riboflavin-ultraviolet-A (UVA) treatment on the corneal endothelium...
  35. ncbi request reprint Stress-strain measurements of human and porcine corneas after riboflavin-ultraviolet-A-induced cross-linking
    Gregor Wollensak
    Department of Ophthalmology, Technical University of Dresden, Dresden, Germany
    J Cataract Refract Surg 29:1780-5. 2003
    ..To evaluate the biomechanical effect of combined riboflavin-ultraviolet A (UVA) treatment on porcine and human corneas...
  36. doi request reprint Limbal and conjunctival epithelium after corneal cross-linking using riboflavin and UVA
    Gregor Wollensak
    Eye Laser Institute, Halle, Germany
    Cornea 30:1448-54. 2011
    ..To assess possible cellular damage in the corneal and conjunctival epithelium after corneal cross-linking treatment...
  37. ncbi request reprint Thermomechanical behavior of collagen-cross-linked porcine cornea
    Eberhard Spoerl
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Ophthalmologica 218:136-40. 2004
    ..The present study was undertaken to better evaluate this effect by testing the thermomechanical behavior...
  38. ncbi request reprint An immunohistochemical study of endothelin-1 in the human eye
    G Wollensak
    Wilmer Eye Institute, Eye Pathology Lab, Johns Hopkins University, Baltimore, MD 21287 9248, USA
    Curr Eye Res 17:541-5. 1998
    ..This study was undertaken to examine for the first time the cellular distribution of ET-1 in the whole human eye...
  39. ncbi request reprint Influence of indocyanine green staining on the biomechanical strength of porcine internal limiting membrane
    Gregor Wollensak
    Department of Ophthalmology, Universitatsklinikum CGC, Technical University of Dresden, Dresden, Germany
    Ophthalmologica 218:278-82. 2004
    ..The aim of the present in vitro study was to examine the effect of ICG staining on the biomechanical properties of porcine ILM...
  40. ncbi request reprint Increased resistance of crosslinked cornea against enzymatic digestion
    Eberhard Spoerl
    Department of Ophthalmology, Universitatsklinikum CGC, Fetscherstrasse 74, D 01307 Dresden, Germany
    Curr Eye Res 29:35-40. 2004
    ..Recently, we have started to use the same method for the treatment of corneal ulcers. The aim of the present study was to evaluate the influence of the crosslinking treatment on the resistance of the cornea against enzymatic degradation...
  41. ncbi request reprint Cross-linking of human amniotic membrane by glutaraldehyde
    Eberhard Spoerl
    Department of Ophthalmology, Universitatsklinikum CGC, Dresden, Germany
    Ophthalmic Res 36:71-7. 2004
    ..However, in some diseases the transplant usually dissolves rather quickly and early detachment may occur. Therefore, we tried to stabilize the amniotic transplant by applying glutaraldehyde for collagen cross-linking of the membrane...
  42. ncbi request reprint Signet ring cell carcinoma of the eccrine sweat glands in the eyelid
    G Wollensak
    Department of Ophthalmology, University of Freiburg i Br, Germany
    Ophthalmology 103:1788-93. 1996
    ..Signet ring cell carcinoma of the eyelid is a rare variant of eccrine sweat gland carcinoma and has been reported previously in only five patients...
  43. ncbi request reprint Influence of cataract surgery on corneal endothelial cell density estimation
    Christopher Wirbelauer
    Klinik fur Augenheilkunde, Vivantes Klinikum Neukölln, Berlin, Germany
    Cornea 24:135-40. 2005
    ..To assess the effect of cataract surgery on semiautomated human corneal endothelial cell density (ECD) estimation using noncontact specular microscopy...
  44. ncbi request reprint Keratoconus associated with corneal granular dystrophy in a patient of Italian origin
    Gregor Wollensak
    Wilmer Eye Institute, Eye Pathology Laboratory, Baltimore, Maryland USA
    Cornea 21:121-2. 2002
    ..To report a rare case of keratoconus concurrent with granular dystrophy in a patient of Italian origin. It is the seventh case in the literature and the second histopathologically documented case...
  45. ncbi request reprint Corneal myxoma
    Gregor Wollensak
    Department of Ophthalmology, University Hospital, Dresden, Germany
    Jpn J Ophthalmol 46:193-7. 2002
    ..Myxomas are rare benign tumors that can be found most frequently in the heart. We report the clinical and histological findings in a very rare case of corneal myxoma, which is only the sixth case in the literature...
  46. ncbi request reprint Otto Himmler: first manufacturer of lathe cut corneo-scleral lenses
    Gregor Wollensak
    Surv Ophthalmol 49:374; author reply 374-5. 2004
  47. ncbi request reprint Significance of spindle-shaped and stellate cells in filter preparations of vitreous aspirates
    Gregor Wollensak
    Acta Cytol 48:113-4. 2004