Amund Ringvold

Professor Emeritus - Department of Ophthalmology
Image of Amund Ringvold
Norwegian version of this page
Email amund.ringvold@medisin.uio.no
Phone +47 23074307
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Visiting address OUS Ullevål Kirkeveien 166 0450 Oslo
Postal address OUS, Ullevål Postboks 4956 Nydalen 0424 Oslo

Publications

  • Slettedal, Jon Klokk; Traustadottir, Valgerdur Dora; Sandvik, Leiv & Ringvold, Amund (2020). The prevalence and incidence of glaucoma in Norway 2004–2018: A nationwide population-based study. PLOS ONE.  ISSN 1932-6203.  15(12) . doi: 10.1371/journal.pone.0242786
  • Konstas, A.G.P. & Ringvold, Amund (2018). Epidemiology of Exfoliation Syndrome. Journal of glaucoma.  ISSN 1057-0829.  27, s S4- S11 . doi: 10.1097/IJG.0000000000000908
  • Lorenzo, Yolanda; Haug, Kristiane; Ringvold, Amund; Petrovski, Goran; Moe, Morten Carsten; Collins, Andrew Richard & Nicolaissen, Bjørn (2018). Levels of oxidative DNA damage are low in ex vivo engineered human limbal epithelial tissue. Acta Ophthalmologica.  ISSN 1755-375X.  96(8), s 1- 7 . doi: 10.1111/aos.13811 Full text in Research Archive.
  • Ringvold, Amund (2018). Øyesten. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  138(6), s 1- 3 . doi: 10.4045/tidsskr.17.0976
  • Slettedal, Jon Klokk; Sandvik, Leiv & Ringvold, Amund (2018). Lifespan reduction due to neoplasia is nullified by pseudoexfoliation syndrome. Heliyon.  ISSN 2405-8440.  4(10) . doi: 10.1016/j.heliyon.2018.e00832 Full text in Research Archive.
  • Ringvold, Amund & Reubsaet, Leon (2016). The impact of high-dose acetylcholine on bovine corneal epithelium. Acta Ophthalmologica.  ISSN 1755-375X.  94(2), s 160- 164 . doi: 10.1111/aos.12889
  • Slettedal, Jon Klokk & Ringvold, Amund (2015). Correlation between corneal and ambient temperature with particular focus on polar conditions. Acta Ophthalmologica.  ISSN 1755-375X.  93(5), s 422- 426 . doi: 10.1111/aos.12657
  • Slettedal, Jon Klokk; Sandvik, Leiv & Ringvold, Amund (2015). Ocular pseudoexfoliation syndrome and life span. EBioMedicine.  ISSN 2352-3964.  2(7), s 765- 769 . doi: 10.1016/j.ebiom.2015.05.024
  • Lorenzo, Yolanda; Haug, Kristiane; Ustgaard-Andersen, Kristine; Johnsen, Erik Otter; Ringvold, Amund; Moe, Morten Carsten; Drolsum, Liv; Jirsova, Katerina; Nicolaissen, Bjørn & Collins, Andrew Richard (2013). Trypsin for Dissociation of Limbal Cells for Engineering of Grafts May Induce DNA Strand Breaks in the Harvested Cells. Journal of Ocular Biology.  ISSN 2334-2838.  11, s 1- 6
  • Drolsum, Liv; Ringvold, Amund & Nicolaissen, Bjørn (2007). Cataract and glaucoma surgery in pseudoexfoliation syndrome: a review. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  85(8), s 810- 21
  • Reubsaet, Jan Leo & Ringvold, Amund Daniel (2005). Identification of Unknown Quatenary Ammonium Compounds in Corneal Epithelium and Aqueous Humor. Journal of Chromatographic Science.  ISSN 0021-9665.  43(8), s 401- 405
  • Ringvold, Amund Daniel & Reubsaet, Jan Leo (2005). Acetylcholine in the corneal epithelium of diurnal and nocturnal mammals. Cornea.  ISSN 0277-3740.  24(8), s 1000- 1003
  • Reubsaet, Jan Leo; Ahlsen, E; Haneborg, K G & Ringvold, Amund Daniel (2003). Sample preparation and determination of acetylcholine in corneal epithelium cells using liquid chromatography-tandem MS. Journal of Chromatographic Science.  ISSN 0021-9665.  41(3), s 151- 156
  • Ringvold, Amund Daniel; Andersen, Erling & Kjøniksen, Inge (2003). Impact of the enviroment on the mammalian corneal epithelium. Investigative Ophthalmology and Visual Science.  ISSN 0146-0404.  44, s 10- 15
  • Stojanovic, A.; Ringvold, Amund Daniel & Nitter, T. (2003). Ascorbate prophylaxis for corneal haze after photorefractive keratectomy. Journal of cataract and refractive surgery.  ISSN 0886-3350.  19, s 338- 343
  • Bjerkås, Ellen; Holst, Jens Christian; Bjerkås, Inge & Ringvold, Amund (2003). Osmotic cataract causes reduced vision in wild Atlantic salmon postsmolts. Diseases of Aquatic Organisms.  ISSN 0177-5103.  55, s 151- 159
  • Ringvold, Amund; Anderssen, Erlend; Jellum, Egil; Bjerkås, Ellen; Sonerud, Geir; Haaland, Peder; Devor, Tone Pahle & Kjønniksen, Inge (2003). UV-absorbing compounds in the aqueous humor from aquatic mammals and various non-mammalian vertebrates. Ophthalmic Research.  ISSN 0030-3747.  35, s 208- 216 . doi: 10.1159/000071172
  • Kjønniksen, Inge; Bjerkås, Ellen; Jellum, Egil & Ringvold, Amund (2002). Comparison of free amino acids in aqueous humor of farmed and wild salmon and of six species additionally. Ophthalmic Research.  ISSN 0030-3747.  34(6), s 366- 370
  • Koliakos, G.G.; Konstas, A.G.P.; Schlötzer-Schrehart, U.; Bufidis, T.; Georgiadis, N. & Ringvold, Amund Daniel (2002). Ascorbic acid concentration is reduced in the aqueous humor of patients with exfoliation syndrome. American Journal of Ophthalmology.  ISSN 0002-9394.  134, s 879- 883
  • Ringvold, Amund Daniel (2001). Rikshospitalets Øyeavdeling gjennom de siste 25 år, I: O. Johansen & J.S. Hultgren (red.),  75 år i øyefagets tjeneste. Norsk Oftalmologisk Forening 1926 - 2001.  Norsk Oftalmologisk Forening.  s 120 - 123
  • Ringvold, Amund Daniel; Anderssen, Erlend & Kjøniksen, Inge (2000). Distribution of Ascorbate in the Anterior Bovine Eye. Investigative Ophthalmology and Visual Science.  ISSN 0146-0404.  41, s 20- 23 Show summary
  • Ringvold, Amund Daniel; Anderssen, Erlend & Kjøniksen, Inge (2000). UV absorption by uric acid in diurnal bird aqueous humor. Investigative Ophthalmology and Visual Science.  ISSN 0146-0404.  41, s 2067- 2069
  • Knagenhjelm, S. K. H.; Frøyland, K.; Ringvold, Amund Daniel; Bjerkås, Ellen & Kjøniksen, Inge (1999). Toxicological evaluation of cyclosporine eyedrops. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  77, s 200- 203
  • Ringvold, Amund Daniel (1999). Bilateral open-angle glaucoma. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  77, s 114- 116
  • Ringvold, Amund Daniel (1999). Epidemiology of the pseudoexfoliation syndrome. A review. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  77, s 371- 375
  • Ringvold, Amund Daniel (1998). Ascorbate as UV-prophylaxis in excimer laser surgery. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  76, s 755- 755
  • Ringvold, Amund Daniel (1998). Corneal epithelium and UV-protection of the eye. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  76, s 149- 153
  • Ringvold, Amund Daniel; Anderssen, Erlend & Kjøniksen, Inge (1998). Ascorbate in the Corneal Epithelium of Diurnal and Nocturnal Species. Investigative Ophthalmology and Visual Science.  ISSN 0146-0404.  39, s 2774- 2777
  • Ringvold, Amund Daniel (1997). In vitro evidence for UV-protection of the eye by the corneal epithelium mediated by the cytoplasmic protein, RNA, and ascorbate. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  75, s 496- 498
  • Ringvold, Amund Daniel (1997). Uveoscleral drainage route. Letter to the editor.. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  75, s 477- 477
  • Ringvold, Amund Daniel; Blika, Sigmund & Sandvik, Leiv (1997). Pseudo-exfoliation and mortality. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  75, s 255- 256
  • Ringvold, Amund (1996). Epidemiology of glaucoma in northern Europe.. European Journal of Ophthalmology.  ISSN 1120-6721.  6(1), s 26- 29
  • Ringvold, Amund Daniel (1996). The significance of ascorbate in the aqueous humour protection against UV-A and UV-B. Experimental Eye Research.  ISSN 0014-4835.  62, s 261- 264
  • Dimitrakoulias, N; Konstas, AG; Ringvold, Amund; Stefaniotou, M & Tarkkanen, A. (1995). Exfoliation glaucoma. Ophthalmologica.  ISSN 0030-3755.  7, s 329- 339
  • Halvorsen, Frode; Nicolaissen, Bjørn; Ringvold, Amund & Nass, O (1995). In vitro studies of conjunctival cells from eyes with and without pseudoexfoliation. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  73(1), s 37- 40
  • Ringvold, Amund (1995). Quenching of UV-induced fluorescence by ascorbic acid in the aqueous humour. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  73(6), s 529- 533
  • Ringvold, Amund & Øvergaard, Ralf Gunnar (1995). Increased IgA antibodies to gluten and gliadin in serum of persons with ocular pseudo-exfoliation. Acta Ophthalmologica Scandinavica.  ISSN 1395-3907.  73(2), s 171- 172
  • Ringvold, Amund (1994). Corneal endothelial involvement in pseudoexfoliation syndrome.. Archives of ophthalmology.  ISSN 0003-9950.  112(3), s 297- 298
  • Ringvold, Amund (1994). Exfoliation glaucoma. Ophthalmologica.  ISSN 0030-3755.  6, s 403- 409
  • Ringvold, Amund (1993). How to judge the efficacy of glaucoma treatment. Acta Ophthalmologica.  ISSN 1755-375X.  71(4), s 573- 573
  • Ringvold, Amund (1993). Update on etiology and pathogenesis of the pseudoexfoliation syndrome. New Trends in Ophthalmology.  ISSN 0394-3755.  8, s 177- 180
  • Davanger, Martin & Ringvold, Amund (1992). The cumulative frequency distribution curve of the eye pressure. Acta Ophthalmologica.  ISSN 1755-375X.  70(4), s 489- 494
  • Fiskaadal, HJ; Nicolaissen, Bjørn; Ringvold, Amund & Naess, O (1992). In vitro ingrowth of choroidal cells on Bruch's membrane.. Acta Ophthalmologica.  ISSN 1755-375X.  70(3), s 297- 302
  • Lippa, EA; Carlson, LE; Ehinger, B.; Eriksson, LO; Finnström, K; Holmin, C; Nilsson, SE; Nyman, K; Raitta, C; Ringvold, Amund; Tarkkanen, A.; Vegge, T; Deasy, D; Holder, D & Ytteborg, J (1992). Dose Response and Duration of Action of Dorzolamide, a Topical Carbonic Anhydrase Inhibitor. Archives of ophthalmology.  ISSN 0003-9950.  110(4), s 495- 499
  • Nicolaissen, Bjørn; Ringvold, Amund & Naess, O (1992). Amino acid incorporation in cell cultures from eyes with pseudo-exfoliation material. Acta Ophthalmologica.  ISSN 1755-375X.  70(3), s 371- 375
  • Davanger, Martin; Ringvold, Amund & Blika, Sigmund (1991). Pseudo-exfoliation, IOP and glaucoma. Acta Ophthalmologica.  ISSN 1755-375X.  69(5), s 569- 573
  • Davanger, Martin; Ringvold, Amund & Blika, Sigmund (1991). The frequency distribution of the glaucoma tolerance limit. Acta Ophthalmologica.  ISSN 1755-375X.  69(6), s 782- 785
  • Davanger, Martin; Ringvold, Amund & Blika, Sigmund (1991). The probability of having glaucoma at different IOP levels.. Acta Ophthalmologica.  ISSN 1755-375X.  69(5), s 565- 568
  • Davanger, Martin; Ringvold, Amund; Blika, Sigmund & Elsås, Tor B. (1991). Frequency distribution of IOP. Analysis of a material using the gamma distribution. Acta Ophthalmologica.  ISSN 1755-375X.  69(5), s 561- 564
  • Ringvold, Amund; Blika, Sigmund; Elsås, Tor B.; Guldahl, J; Brevik, T; Hesstvedt, P; Hoff, K; Høisen, H; Kjørsvik, S & Rossvold, I (1991). The middle-Norway eye-screening study. II. Prevalence of simple and capsular glaucoma. Acta Ophthalmologica.  ISSN 1755-375X.  69(3), s 273- 280
  • Ringvold, Amund & Davanger, Martin (1991). Electrondense cell inclusions of the human cone inner segments. Acta Ophthalmologica.  ISSN 1755-375X.  69(4), s 491- 495
  • Ringvold, Amund; Sagen, Erling; Bjerve, Kristian S & Følling, Ivar (1991). Increased Magnesium in aquous humour from patients with senile cataract. Acta Ophthalmologica.  ISSN 1755-375X.  69, s 540- 543
  • Ringvold, Amund (1990). Ultraviolet rays and eye injuries. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  110(1), s 93- 94
  • Ringvold, Amund & Bore, J (1990). Pseudo-exfoliation pattern on posterior IOL. Acta Ophthalmologica.  ISSN 1755-375X.  68(3), s 353- 355
  • Ringvold, Amund & Nicolaissen, Bjørn (1990). Culture of iris tissue from human eyes with and without pseudoexfoliation. Acta Ophthalmologica.  ISSN 1755-375X.  68(3), s 310- 316

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  • Ringvold, Amund; Juel, Erik & Blika, Sigmund (1993). High prevalence of Kell positive blood group in the Hitra population. Tapir Akademisk Forlag.  ISBN 9788251914581.  11 s.

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  • Racz, Beatrix; Zawadzka, Malgorzata Elzbieta; Skytte Af Sätra, Jenny Marie; Ringvold, Amund; Rise, Frode; Lundanes, Elsa & Wilson, Steven Ray Haakon (2018). Identification of “compound X” in goose aqueous humour.
  • Ringvold, Amund (2017). Martin Davanger. En biografisk skisse 1927-1994.. Oftalmologi.  (2), s 20- 22
  • Hørven, Ivar; Ringvold, Amund & Syrdalen, Per (2008). Nekrolog. Tor Flage.. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116.
  • Ringvold, Amund (2007). Minneord - Håkon Leira, I: Yngve Espmark & Bjørn Sæther (red.),  Det Kongelige Norske Videnskabers Selskab Årbok 2006.  Det Kongelige Norske Videnskabers Selskab.  ISBN 82-471-6044-7.  5.  s 173 - 176
  • Ringvold, Amund (2007). Welding without the Use of Eye Protective Equipment. See videolink online. Cornea.  ISSN 0277-3740.  26, s 645
  • Ringvold, Amund (2005). Epidermiology of the exfoliation syndrome and exfoliative glaucoma. EU-exfoliative booklet.
  • Reubsaet, Jan Leo; Ahlsen, E; Haneborg, K.G. & Ringvold, Amund Daniel (2004). Sample preparation and determination of acetylcholine in corneal epithelium cells using LC-MS/MS.
  • Reubsaet, Jan Leo; Ahlsen, E; Haneborg, K.G. & Ringvold, Amund Daniel (2004). Sample preparation and determination of acetylcholine in corneal epithelium cells using LC-MS/MS.
  • Ringvold, Amund Daniel (2004). UV-induserte skader og beskyttelsesmekanismer i fremre segment.
  • Ringvold, Amund Daniel (2003). Destillert oftalmologi. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.
  • Haaskjold, Erling & Ringvold, Amund (2002). Nekrolog. Asbjørn Martin Tønjum. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116.
  • Ringvold, Amund Daniel (2002). Øyeskader fremkalt av UV-stråling.
  • Ringvold, Amund Daniel (2001). Exfoliation Syndrome - A Major Cause Of Blindness: The Third International Lindberg Society Symposium on Exfoliation Syndrome.
  • Ringvold, Amund Daniel (2001). Exfoliation syndrome as a global problem.
  • Ringvold, Amund Daniel (2001). Eye know how. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  121, s 2093- 2093
  • Ringvold, Amund Daniel (2001). Norske medisinstudenter i utlandet. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  121, s 2093- 2093
  • Ringvold, Amund Daniel (2001). Pseudoexfoliation and aortic aneurysms. The Lancet.  ISSN 0140-6736.  357, s 2139- 2140
  • Ringvold, Amund Daniel (2001). Snøblindhet.
  • Stojanovic, A.; Ringvold, Amund Daniel & Nitter, T. (2001). Ascorbate Prophylaxis for Corneal Haze After PRK.
  • Ringvold, Amund Daniel (2000). Pigment dispersion and capsular glaucoma. Eye (London. 1987).  ISSN 0950-222X.  14, s 410- 410
  • Ringvold, Amund Daniel (1999). Epidemiology of the pseydoexfoliation syndrome.
  • Ringvold, Amund Daniel (1999). Etiology of the pseudoexfoliation syndrome.
  • Ringvold, Amund Daniel (1999). Hvorfor blir vi snøblinde?. Nysjerrigper.  (6), s 14- 14
  • Ringvold, Amund Daniel (1999, 01. august). Solformørkelse. [Radio].  Dagsrevyen : NRK.
  • Ringvold, Amund Daniel (1999, 01. januar). Solformørkelse. [Radio].  Radio.
  • Ringvold, Amund Daniel (1999). Øyerelaterte kapitler, I:  Store Norske leksikon.  Aschehoug og Gyldendal.
  • Ringvold, Amund Daniel (1999). Øyeskader etter solformørkelse.
  • Ringvold, Amund Daniel (1999, 01. januar). Øyeskader ved ultrafiolett bestråling. [Radio].  Radio.
  • Ringvold, Amund Daniel; Andersen, Erling & Kjøniksen, Inge (1998). Forekomst av vitamin C i corneaepitelet hos dag- og nattdyr.
  • Hørven, Ivar & Ringvold, Amund Daniel (1997). Nekrolog. Thore Lie Thomassen. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116.
  • Ringvold, Amund (1997). Øyerelaerte emner, I: P. Henriksen (red.),  Aschehoug og Gyldeldals Store norske leksikon.  Kunnskapsforlaget.  ISBN 82-573-0684-3.  10.
  • Ringvold, Amund Daniel (1997). Operasjon eller briller. Bokanmeldelse. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  117, s 187- 187
  • Ringvold, Amund Daniel (1997). Retinas anatomi og fysiologi.
  • Ringvold, Amund Daniel (1996). Glaukomdiagnose og behandling.
  • Ringvold, Amund Daniel (1996). Okulær traumatologi.
  • Ringvold, Amund Daniel (1996). Visus. Refraksjon.
  • Ringvold, Amund Daniel (1996). Øyeblikkelig hjelp i oftalmologien.
  • Hørven, Ivar & Ringvold, Amund (1994). Nekrolog. Martin Davanger. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116.
  • Ringvold, Amund (1994). Blindness-problems of Norwegian patients seen in a global perspective. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  114(25), s 2935- 2936
  • Ringvold, Amund (1993). Acute eye problems. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  113(16), s 1997- 2000
  • Ringvold, Amund (1993). Nærsyntkirurgi. Optikeren.  ISSN 0333-1598.  3, s 48- 49
  • Ringvold, Amund (1993). Surgery for myopia. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  113(1), s 14- 15
  • Ringvold, Amund (1992). Ozonhuller og eventuelle konsekvenser. Oftalmolog.  ISSN 0108-5344.  12, s 11- 12
  • Ringvold, Amund; Blika, S; Elsås, Tor B.; Guldahl, J; Juel, E; Brevik, T; Hesstvedt, P; Hoff, K; Høisen, H; Kjørsvik, S & Rossvoll, Ivar (1992). The middle-Norway eye-screening study. III. The prevalence of capsular glaucoma is influenced by blood-group antigens. Acta Ophthalmologica.  ISSN 1755-375X.  70(2), s 207- 213

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Published May 12, 2015 9:25 AM