Steffen Hamann

Steffen Hamann

Clinical Research Associate Professor, Clinical Associate Professor

Member of:

  • Ophthalmology


Publication year:
All
51 - 99 out of 99Page size: 50
  1. 2020
  2. Published

    Artificial intelligence to detect papilledema from ocular fundus photographs

    Milea, D., Najjar, R. P., Zhubo, J., Ting, D., Vasseneix, C., Xu, X., Fard, M. A., Fonseca, P., Vanikieti, K., Lagrèze, W. A., La Morgia, C., Cheung, C. Y., Hamann, S., Chiquet, C., Sanda, N., Yang, H., Mejico, L. J., Rougier, M. B., Kho, R., Chau, T. T. H. & 14 others, Singhal, S., Gohier, P., Clermont-Vignal, C., Cheng, C. Y., Jonas, J. B., Yu-Wai-Man, P., Fraser, C. L., Chen, J. J., Ambika, S., Miller, N. R., Liu, Y., Newman, N. J., Wong, T. Y. & Biousse, V., 2020, In: New England Journal of Medicine. 382, 18, p. 1687-1695 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Comment on: Morphologic Features of Buried Optic Disc Drusen on En Face Optical Coherence Tomography and Optical Coherence Tomography Angiography

    Sibony, P. A., Biousse, V., Bursztyn, L., Costello, F., Digre, K., Fraser, J. A., Fraser, C. L., Huna-Baron, R., Katz, B., Lawlor, M., Malmqvist, L., Newman, N. J., Peragallo, J., Petzold, A., Subramanian, P. S., Warner, J. E. A., Wegener, Marianne, Wong, S., Hamann, Steffen & ODDS Consortium, O. C., 2020, In: American Journal of Ophthalmology. 219, p. 369-370 2 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  4. Published

    Determination of peripapillary vessel density in optic disc drusen using EDI-OCT and OCT angiography

    Lindberg, A. S. W., Dahl, V. A., Karlesand, I., Rueløkke, L. L., Malmqvist, L. & Hamann, Steffen, 2020, In: Experimental Eye Research. 197, 108123.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Identical Horner Syndrome in Homozygotic Twins Caused by Non-Traumatic Internal Carotid Artery Dissection

    Kappelgaard, P., Wolfram, F. & Hamann, Steffen, 2020, In: Neuro-Ophthalmology. 44, 1, p. 24-27

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Multirater Validation of Peripapillary Hyperreflective Ovoid Mass-like Structures (PHOMS)

    Petzold, A., Biousse, V., Bursztyn, L., Costello, F., Crum, A., Digre, K., Fraser, C., Fraser, J. A., Katz, B., Jurkute, N., Newman, N., Lautrup-Battistini, J., Lawlor, M., Liskova, P., Lorenz, B., Malmqvist, L., Peragallo, J., Sibony, P., Subramanian, P., Rejdak, R. & 7 others, Nowomiejska, K., Touitou, V., Warner, J., Wegener, Marianne, Wong, S., Yu-Wai-Man, P. & Hamann, Steffen, 2020, In: Neuro-Ophthalmology. 44, 6, p. 1-2 2 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  7. Published

    Non-invasive measurement techniques for quantitative assessment of optic nerve head blood flow

    Vosborg, F., Malmqvist, L. & Hamann, Steffen, 2020, In: European Journal of Ophthalmology. 30, 2, p. 235-244

    Research output: Contribution to journal › Review › Research › peer-review

  8. Published

    Optic Disc Classification by Deep Learning versus Expert Neuro-Ophthalmologists

    Biousse, V., Newman, N. J., Najjar, R. P., Vasseneix, C., Xu, X., Ting, D. S., Milea, L. B., Hwang, J. M., Kim, D. H., Yang, H. K., Hamann, S., Chen, J. J., Liu, Y., Wong, T. Y., Milea, D., Rondé-Courbis, B., Gohier, P., Miller, N., Padungkiatsagul, T., Poonyathalang, A. & 31 others, Suwan, Y., Vanikieti, K., Milea, L. B., Amore, G., Barboni, P., Carbonelli, M., Carelli, V., La Morgia, C., Romagnoli, M., Rougier, M. B., Ambika, S., Komma, S., Fonseca, P., Raimundo, M., Karlesand, I., Alexander Lagrèze, W., Sanda, N., Thumann, G., Aptel, F., Chiquet, C., Liu, K., Yang, H., Chan, C. K. M., Chan, N. C. Y., Cheung, C. Y., Chau Tran, T. H., Acheson, J., Habib, M. S., Jurkute, N., Yu-Wai-Man, P. & BONSAI (Brain and Optic Nerve Study with Artificial Intelligence) Study Group, B. (. A. O. N. S. W. A. I. S. G., 2020, In: Annals of Neurology. 88, 4, p. 785-795 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Optic Disc Drusen Associated Anterior Ischemic Optic Neuropathy: Prevalence of Comorbidities and Vascular Risk Factors

    Rueløkke, L. L., Malmqvist, L., Wegener, Marianne & Hamann, Steffen, 2020, In: Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society. 40, 3, p. 356-361 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Progression Over 5 Years of Prelaminar Hyperreflective Lines to Optic Disc Drusen in the Copenhagen Child Cohort 2000 Eye Study

    Malmqvist, L., Li, X. Q., Hansen, M. H., Thomsen, Alexander Kai, Skovgaard, A. M., Olsen, E. M., Larsen, M., Munch, I. C. & Hamann, Steffen, 2020, In: Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society. 40, 3, p. 315-321 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    The Angioarchitecture of the Optic Nerve Head in Patients with Optic Disc Drusen

    Vahlgren, J., Malmqvist, L., Rueløkke, L. L., Karlesand, I., Lindberg, A. W. & Hamann, Steffen, 2020, In: Neuro-Ophthalmology. 44, 1, p. 5-10

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Young Adults With Anterior Ischemic Optic Neuropathy: A Multicenter Optic Disc Drusen Study

    Hamann, S., Malmqvist, L., Wegener, M., Fard, M. A., Biousse, V., Bursztyn, L., Citirak, G., Costello, F., Crum, A. V., Digre, K., Fraser, J. A., Huna-Baron, R., Katz, B., Lawlor, M., Newman, N. J., Peragallo, J. H., Petzold, A., Sibony, P. A., Subramanian, P. S., Warner, J. E. A. & 3 others, Wong, S. H., Fraser, C. L. & Optic Disc Drusen Studies Consortium, O. D. D. S. C., 2020, In: American Journal of Ophthalmology. 217, p. 174-181 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 2019
  14. Published

    The Influence of Volume and Anatomic Location of Optic Disc Drusen on the Sensitivity of Autofluorescence

    Loft, F. C., Malmqvist, L., Wessel Lindberg, A. & Hamann, Steffen, Mar 2019, In: Journal of Neuro-Ophthalmology. 39, 1, p. 23-27 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    An ontological foundation for ocular phenotypes and rare eye diseases

    Sergouniotis, P. I., Maxime, E., Leroux, D., Olry, A., Thompson, R., Rath, A., Robinson, P. N., Dollfus, H., ERN-EYE Ontology Study Group, E. O. S. G., Ashworth, J. L., Audo, I., Balciuniene, V. J., Hamann, Steffen, Kessel, Line, Yu-Wai-Man, P., Zobor, D. & Zrenner, E., 2019, In: Orphanet Journal of Rare Diseases. 14, 5 p., 8.

    Research output: Contribution to journal › Letter › Research › peer-review

  16. 2018
  17. Published

    The Melanopsin-Mediated Pupillary Light Response Is Not Changed in Patients with Newly Diagnosed Idiopathic Intracranial Hypertension

    Ba-Ali, S., Jensen, Rigmor Højland, Larsen, L. S., Lund-Andersen, H. & Hamann, Steffen, 4 Mar 2018, In: Neuro-Ophthalmology. 42, 2, p. 65–72

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Long-term visual outcome in a Danish population of patients with idiopathic intracranial hypertension

    Hatem, C. F., Yri, H. M., Sørensen, A. L., Wegener, Marianne, Jensen, Rigmor Højland & Hamann, Steffen, 2018, In: Acta Ophthalmologica. 96, 7, p. 719-723 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Microcystic macular oedema in optic neuropathy: case series and literature review

    Kessel, Line, Hamann, Steffen, Wegener, Marianne, Tong, J. & Fraser, C. L., 2018, In: Clinical and Experimental Ophthalmology. 46, 9, p. 1075-1086 12 p.

    Research output: Contribution to journal › Review › Research › peer-review

  20. Published

    Optic Disc Drusen in Children: The Copenhagen Child Cohort 2000 Eye Study

    Malmqvist, L., Li, X. Q., Eckmann, C. L., Skovgaard, A. M., Olsen, E. M., Larsen, M., Munch, I. C. & Hamann, Steffen, 2018, In: Journal of Neuro-Ophthalmology. 38, 2, p. 140-146 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Optic disc drusen: understanding an old problem from a new perspective

    Hamann, Steffen, Malmqvist, L. & Costello, F., 2018, In: Acta Ophthalmologica. 96, 7, p. 673-684 12 p.

    Research output: Contribution to journal › Review › Research › peer-review

  22. Published

    Peripapillary Hyperreflective Ovoid Mass-Like Structures: Is It Optic Disc Drusen or Not?: Response

    Malmqvist, L., Bursztyn, L., Costello, F., Digre, K., Fraser, J. A., Fraser, C., Katz, B., Lawlor, M., Petzold, A., Sibony, P., Warner, J., Wegener, Marianne, Wong, S. & Hamann, Steffen, 2018, In: Journal of Neuro-Ophthalmology. 38, 4, p. 568-570 3 p.

    Research output: Contribution to journal › Comment/debate › Research

  23. Published

    Peripapillary Ovoid Hyperreflectivity in Optic Disc Edema and Pseudopapilledema

    Optic Disc Drusen Studies Consortium, O. D. D. S. C., 2018, In: Ophthalmology. 125, 10, p. 1662-1664

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    The Optic Disc Drusen Studies Consortium Recommendations for Diagnosis of Optic Disc Drusen Using Optical Coherence Tomography

    Malmqvist, L., Bursztyn, L., Costello, F., Digre, K., Fraser, J. A., Fraser, C., Katz, B., Lawlor, M., Petzold, A., Sibony, P., Warner, J., Wegener, Marianne, Wong, S. & Hamann, Steffen, 2018, In: Journal of Neuro-Ophthalmology. 38, 3, p. 299-307

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    The Role of Optical Coherence Tomography in Differentiating Optic Disc Drusen from Optic Disc Edema

    Costello, F., Malmqvist, L. & Hamann, Steffen, 2018, In: Asia-Pacific Journal of Ophthalmology. 7, 4, p. 271-279 9 p.

    Research output: Contribution to journal › Review › Research › peer-review

  26. 2017
  27. Published

    Substantial Visual Field Loss Associated With Giant Optic Disc Drusen

    Malmqvist, L., Kyhnel, A. & Hamann, Steffen, Dec 2017, In: JAMA Ophthalmology. 135, 12, 1 p., e174778.

    Research output: Contribution to journal › Comment/debate › Research

  28. Published

    Long-term evolution of superficial optic disc drusen

    Larsen, L. M., Lund-Andersen, H. & Hamann, Steffen, Jun 2017, In: Acta Ophthalmologica. 95, 4, p. 352-356

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Multifocal visual evoked potentials for quantifying optic nerve dysfunction in patients with optic disc drusen

    Malmqvist, L., de Santiago, L., Boquete, L. & Hamann, Steffen, Jun 2017, In: Acta Ophthalmologica. 95, 4, p. 357-362 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Photographic Documentation of Optic Disc Drusen Over More Than 50 Years

    Malmqvist, L. & Hamann, Steffen, Mar 2017, In: JAMA Ophthalmology. 135, 3, 1 p., e165470.

    Research output: Contribution to journal › Comment/debate › Research

  31. Published

    Quantification of retinal layer thickness changes in acute macular neuroretinopathy

    Munk, M. R., Beck, M., Kolb, S., Larsen, Michael, Hamann, Steffen, Valmaggia, C. & Zinkernagel, M. S., Feb 2017, In: British Journal of Ophthalmology. 101, 2, p. 160-165 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Anterior lamina cribrosa surface position in idiopathic intracranial hypertension and glaucoma

    Villarruel, J. M., Li, X. Q., Bach-Holm, Daniella & Hamann, Steffen, 19 Jan 2017, In: European Journal of Ophthalmology. 27, 1, p. 55-61 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    An Estimation of the Risk of Pseudotumor Cerebri among Users of the Levonorgestrel Intrauterine Device

    Valenzuela, R. M., Rai, R., Kirk, B. H., Sanders, J. N., Sundar, S., Hamann, Steffen, Warner, J. E. A., Digre, K. B., Crum, A. V., Jones, K. P. & Katz, B. J., 2017, In: Neuro-Ophthalmology. 41, 4, p. 192-197 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Aquaporins in the Eye

    Tran, T. L., Hamann, Steffen & Heegaard, Steffen, 2017, Aquaporins. Yang, B. (ed.). Vol. 969. p. 193-198 6 p. (Advances in Experimental Medicine and Biology).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  35. Published

    Quantitatively Measured Anatomic Location and Volume of Optic Disc Drusen: An Enhanced Depth Imaging Optical Coherence Tomography Study

    Malmqvist, L., Lindberg, A. S. W., Dahl, V. A., Jørgensen, T. M. & Hamann, Steffen, 2017, In: Investigative Ophthalmology and Visual Science. 58, 5, p. 2491-2497 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. 2016
  37. Published

    Aquaporin-1 Expression in Retinal Pigment Epithelial Cells Overlying Retinal Drusen

    Tran, T. L., Bek, T., la Cour, Morten, Prause, J. U., Hamann, Steffen & Heegaard, Steffen, Mar 2016, In: Ophthalmic Research. 55, 4, p. 180-4 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Peripapillary Retinal Nerve Fiber Layer Thickness Corresponds to Drusen Location and Extent of Visual Field Defects in Superficial and Buried Optic Disc Drusen

    Malmqvist, L., Wegener, Marianne, Sander, B. A. & Hamann, Steffen, Mar 2016, In: Journal of Neuro-Ophthalmology. 36, 1, p. 41-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Exploring the methods of data analysis in multifocal visual evoked potentials

    Malmqvist, L., Santiago de Abreu, L., Fraser, C., Klistorner, A. & Hamann, Steffen, 2016, In: Documenta Ophthalmologica. 133, 1, p. 41-48 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Osmolality of Cerebrospinal Fluid from Patients with Idiopathic Intracranial Hypertension (IIH)

    Wibroe, E. A., Yri, H. M., Jensen, Rigmor Højland, Wibroe, M. A. & Hamann, Steffen, 2016, In: P L o S One. 11, 1, 12 p., e0146793.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. 2015
  42. Published

    Binasal hemianopia due to bilateral internal carotid artery atherosclerosis

    Hamann, Steffen, Obaid, H. G. & Celiz, P. L., Aug 2015, In: Acta Ophthalmologica. 93, 5, p. 486-487 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Papilødem

    Kromann Nielsen, M. & Hamann, Steffen, 8 Jun 2015, In: Ugeskrift for Laeger. 177, 12, p. 1164-8 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. 2014
  45. Published

    The course of headache in idiopathic intracranial hypertension: a 12-month prospective follow-up study

    Yri, H. M., Rönnbäck, C., Wegener, Marianne, Hamann, Steffen & Jensen, Rigmor Højland, Dec 2014, In: European journal of neurology : the official journal of the European Federation of Neurological Societies. 21, 12, p. 1458-1464 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Altered aquaporin expression in glaucoma eyes

    Tran, T. L., Bek, T., Cour, M. L., Nielsen, S., Prause, J. U., Hamann, Steffen & Heegaard, Steffen, 31 Jan 2014, In: APMIS : acta pathologica, microbiologica, et immunologica Scandinavica. 122, 9, p. 772-780 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Profound bilateral visual loss after hysterectomy indicated for severe postpartum haemorrhage

    Ostri, C., Zibrandtsen, N., Larsen, Michael & Hamann, Steffen, 2014, In: BMJ Case Reports. 2014

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. 2012
  49. Published

    Optical coherence tomography documenting retinal nerve fiber loss in traumatic optic chiasmal syndrome

    Ostri, C., Damgaard, B. & Hamann, Steffen, 2012, In: Acta Ophthalmologica. 90, 8, p. 792-4 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. 2010
  51. Published

    Cotransport of water by the Na+-K+-2Cl(-) cotransporter NKCC1 in mammalian epithelial cells

    Hamann, Steffen, Herrera-Perez, J. J., Zeuthen, Thomas, Alvarez-Leefmans, F. J., Hamann, Steffen, Herrera-Perez, J. J., Zeuthen, T. & Alvarez-Leefmans, F. J., 1 Nov 2010, In: Journal of Physiology. 588, Pt 21, p. 4089-101 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    A simplified quantitative method for assessing keratoconjunctivitis sicca from the Sjögren's Syndrome International Registry

    Whitcher, J. P., Shiboski, C. H., Shiboski, S. C., Heidenreich, A. M., Kitagawa, K., Zhang, S., Hamann, Steffen, Larkin, G., McNamara, N. A., Greenspan, J. S., Daniels, T. E. & Sjögren's International Collaborative Clinical Alliance Research Groups, S. I. C. C. A. R. G., 1 Mar 2010, In: American Journal of Ophthalmology. 149, 3, p. 405-15 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. 2009
  54. Published

    Chloride transporters as water pumps: Elements in a new model of epithelial water transport: From Molecules to diseases

    MacAulay, Nanna, Hamann, Steffen & Zeuthen, Thomas, 2009, Physiology and pathology of chloride transporters and channels in the nervous system. Alvarez-Leefmans, F. & Delpire, E. (eds.). Amsterdam, The Netherlands: Academic Press, p. 547-568 22 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  55. 2007
  56. Published

    Orbitas sygdomme

    Prause, J. U., Heegaard, Steffen, Fahmy, P., Hamann, Steffen, Larsen, M. & Sjoelie, A. K., 2007, Praktisk oftalmologi. 2nd ed. København: Gad, p. 150-160 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education

  57. 2003
  58. Published

    Cotransport of H+, lactate, and H2O in porcine retinal pigment epithelial cells

    Hamann, Steffen, Kiilgaard, Jens Folke, la Cour, Morten, Prause, J. U. & Zeuthen, T., 2003, In: Experimental Eye Research. 76, 4, p. 493-504 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. 2002
  60. Published

    Measurement of cell volume changes by fluorescence self-quenching

    Hamann, Steffen, Kiilgaard, J. F., Litman, Thomas, Alvarez-Leefmans, F. J., Winther, B. R. & Zeuthen, Thomas, 2002, In: Journal of Fluorescence. 12, 2, p. 139-145 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. 1998
  62. Published

    Aquaporins in complex tissues: Distribution of aquaporins 1-5 in human and rat eye

    Hamann, Steffen, Zeuthen, Thomas, la Cour, Morten, Nagelhus, E., Ottersen, O. P., Agre, P. & Nielsen, S., 1998, In: American Journal of Physiology: Cell Physiology. 274, 5, p. C1332-C1345

    Research output: Contribution to journal › Journal article › Research › peer-review

  63. Published

    Human retinal pigment epithelial cell-induced apoptosis in activated T cells.

    Jørgensen, A., Wiencke, A. K., la Cour, Morten, Kaestel, C. G., Madsen, H. O., Hamann, Steffen, Lui, G. M., Scherfig, E., Prause, J. U., Svejgaard, A., Odum, N., Nissen, Mogens Holst & Röpke, C., 1998, In: Investigative Ophthalmology & Visual Science. 39, 9, p. 1590-9 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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