Kristina Fahnehjelm

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About me

My name is Kristina Teär Fahnehjelm and I am a paediatric ophthalmologist at
St Erik Eye Hospital in Stockholm. I am also Adjunct Professor of
Ophthalmology at the Department of Clinical Neuroscience, Karolinska
Institutet.
Marianne Bernadottes Price Pediatric Ophthalmology 2020
1985 Graduation Medical School Karolinska Institutet (KI) Stockholm
1985-1987 Internship (AT) Bollnäs/Södertälje/Salem
1987 Legitimerad läkare
1987-1993 Re*s*idency in Ophthalmology
1993 Specialist in Ophthalmology including specialist examination.
2003 PhD. Thesis “Posterior ocular malformations in children. Teratological
aspects” KI.
2009 Appointed Associate Professor KI, Department of Clinical Neuroscience.
2011-2013 European Leadership Development Programme
2015 Adjunct Professor Gothenburg University
2018 Adjunt Lecturer KI
2020 Adjunct Lecturer KI

Research

Main research areas are children with ocular malformations mainly optic disc
hypoplasia and optic disc coloboma and microphthalmia/anophthalmia. Also
children with inheredited metabolic disorders.

Articles

Article: ACTA PAEDIATRICA. 2025;114(3):619-627
Healthcare, school and daily life experiences of patients with microphthalmia or anophthalmia and their parents
Chireh E; Nordquist J; Gronlund MA; Fahnehjelm KT
Article: ACTA OPHTHALMOLOGICA. 2024;102(8):922-930
Characteristic deviations of the optic disc and macula in optic nerve hypoplasia based on OCT
Skriapa-Manta A; Venkataraman AP; Olsson M; Nilsson M; Fahnehjelm KT
Article: HELIYON. 2024;10(20):e38878
Decade-long analysis of postoperative endophthalmitis in Sweden: Insights from insurance and national quality registers.
Merkland D; Viberg A; Nilsson M; Gustafson P; Teär Fahnehjelm K
Article: OPHTHALMIC GENETICS. 2024;45(4):343-350
Visual functions, ocular characteristics and visual quality of life in patients with homocystinuria
Koye A; Nilsson M; Epstein D; Oscarson M; Fahnehjelm KT
Article: ACTA OPHTHALMOLOGICA. 2024;102(4):401-408
Treatment for retinopathy of prematurity in Sweden 2008-2021: Reduced gestational age of treated infants and remaining differences in treatment type and recurrence rates between hospitals
Holmstrom G; Hellstrom A; Fahnehjelm KT; Granse L; Hochhard KS; Sunnqvist B; Tornqvist K; Tsamadou D; Wallin A; Larsson E
Article: BRITISH JOURNAL OF OPHTHALMOLOGY. 2023;108(1):137-142
Ophthalmological outcome of 6.5 years children treated for retinopathy of prematurity: a Swedish register study
Larsson E; Hellstrom A; Tornqvist K; Wallin A; Sunnqvist B; Hochhard KS; Lundgren P; Al-Hawasi A; Fahnehjelm KT; Granse L; Holmstrom G
Article: EMBO MOLECULAR MEDICINE. 2022;14(12):e15809
Sex differences and risk factors for bleeding in Alagille syndrome
Hankeova S; Van Hul N; Laznovsky J; Verboven E; Mangold K; Hensens N; Adori C; Verhoef E; Zikmund T; Dawit F; Kavkova M; Salplachta J; Sjoqvist M; Johansson BR; Hassan MG; Fredriksson L; Baumgartel K; Bryja V; Lendahl U; Jheon A; Alten F; Fahnehjelm KT; Fischler B; Kaiser J; Andersson ER
Article: OPHTHALMIC GENETICS. 2022;43(6):841-849
Visual outcome, ocular findings, and visual quality of life in patients with Fabry disease
Nilsson M; Kolagari HT; Epstein D; Samolov B; Olsson M; Naess K; Oscarson M; Fahnehjelm KT
Article: OPHTHALMIC GENETICS. 2022;43(2):172-183
Anophthalmia and microphthalmia in children: associated ocular, somatic and genetic morbidities and quality of life
Fahnehjelm C; Kopp ED; Wincent J; Guven E; Nilsson M; Olsson M; Fahnehjelm KT
Article: CLINICAL OPHTHALMOLOGY. 2022;16:3785-3794
Optical Coherence Tomography Can Predict Visual Acuity in Children with Optic Nerve Hypoplasia
Skriapa-Manta A; Nilsson M; Svoboda J; Olsson M; Nilsson M; Fahnehjelm KT
Article: OPHTHALMIC GENETICS. 2021;42(5):570-576
Visual and ocular findings in a family with X-linked cone dysfunction and protanopia
Holmquist D; Epstein D; Olsson M; Wissinger B; Kohl S; Hengstler J; Tear-Fahnehjelm K
Article: LAKARTIDNINGEN. 2020;117:19239
[Retinal hemorrhages in abusive head trauma].
Hellgren K; Fahnehjelm K
Article: PLOS ONE. 2020;15(2):e0228622
Whole genome sequencing unveils genetic heterogeneity in optic nerve hypoplasia
Dahl S; Pettersson M; Eisfeldt J; Schroder AK; Wickstrom R; Fahnehjelm KT; Anderlid B-M; Lindstrand A
Article: ACTA PAEDIATRICA. 2019;108(9):1677-1685
High prevalence of pituitary hormone deficiency in both unilateral and bilateral optic nerve hypoplasia
Dahl S; Wiberg MK; Fahnehjelm KT; Savendahl L; Wickstrom R
Article: ACTA OPHTHALMOLOGICA. 2019;97(5):478-485
Optic Disc Coloboma in children - prevalence, clinical characteristics and associated morbidity
Manta AS; Olsson M; Ek U; Wickstrom R; Fahnehjelm KT
Article: ACTA PAEDIATRICA. 2018;107(11):1995-2003
Children with mucopolysaccharidosis risk progressive visual dysfunction despite haematopoietic stem cell transplants
Fahnehjelm KT; Olsson M; Chen E; Hengstler J; Naess K; Winiarski J
Article: ACTA PAEDIATRICA. 2018;107(3):484-489
Children with optic nerve hypoplasia face a high risk of neurodevelopmental disorders
Dahl S; Wickstrom R; Ek U; Fahnehjelm KT
Article: PEDIATRIC TRANSPLANTATION. 2018;22(2)
Visual perceptual skills and visual motor integration in children and adolescents after allogeneic hematopoietic stem cell transplantation
Fahnehjelm KT; Tornquist AL; Olsson M; Winiarski J; Ek U
Article: BRITISH JOURNAL OF OPHTHALMOLOGY. 2017;101(7):909-912
Outcomes of keratoplasty in the mucopolysaccharidoses: an international perspective
Ohden KL; Pitz S; Ashworth J; Magalhaes A; Marinho DR; Lindahl P; Fahnehjelm KT; Summers CG
Article: CLINICAL NEUROPHYSIOLOGY PRACTICE. 2017;2:67-71
Visual evoked potentials after hematopoietic allogeneic stem cell transplantation in childhood
Tornquist AL; Andersson T; Winiarski J; Gronlund MA; Fahnehjelm KT
Article: ACTA PAEDIATRICA. 2016;105(12):1451-1460
Most patients with long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency develop pathological or subnormal retinal function
Fahnehjelm KT; Liu Y; Olsson D; Amren U; Haglind CB; Holmstrom G; Halldin M; Andreasson S; Nordenstrom A
Article: ACTA PAEDIATRICA. 2016;105(1):82-89
Cataract after allogeneic hematopoietic stem cell transplantation inchildhood
Fahnehjelm KT; Tornquist AL; Olsson M; Backstrom I; Gronlund MA; Winiarski J
Article: ACTA OPHTHALMOLOGICA. 2015;93(7):626-634
Morning Glory Disc Anomaly in childhood - a population-based study
Ceynowa DJ; Wickstrom R; Olsson M; Ek U; Eriksson U; Wiberg MK; Fahnehjelm KT
Article: ACTA OPHTHALMOLOGICA. 2015;93(5):444-449
Ocular Motor Score (OMS): a clinical tool to evaluating ocular motor functions in children. Intrarater and inter-rater agreement
Olsson M; Fahnehjelm KT; Rydberg A; Ygge J
Article: LAKARTIDNINGEN. 2015;112:DH39
[Anophthalmia and microphthalmia are rare eye malformations. Important with early care for normalized development of the facial skeleton].
Fahnehjelm KT; Dafgård Kopp E
Article: ACTA PAEDIATRICA. 2015;104(7):693-700
Chorioretinal scars and visual deprivation are common in children with cochlear implants after congenital cytomegalovirus infection
Fahnehjelm KT; Olsson M; Fahnehjelm C; Lewensohn-Fuchs I; Karltorp E
Article: ACTA PAEDIATRICA. 2014;103(11):1165-1173
Impaired balance and neurodevelopmental disabilities among children with congenital cytomegalovirus infection
Karltorp E; Lofkvist U; Lewensohn-Fuchs I; Lindstrom K; Westblad ME; Fahnehjelm KT; Verrecchia L; Engman M-L
Article: ACTA OPHTHALMOLOGICA. 2014;92(6):563-570
Optic nerve hypoplasia in children and adolescents; prevalence, ocular characteristics and behavioural problems
Fahnehjelm KT; Dahl S; Martin L; Ek U
Article: ACTA OPHTHALMOLOGICA. 2014;92(2):171-178
Ocular manifestations and visual functions in patients with Fanconi anaemia
Tornquist AL; Martin L; Winiarski J; Fahnehjelm KT
Article: WORK-A JOURNAL OF PREVENTION ASSESSMENT & REHABILITATION. 2014;47(3):399-412
Vision, light and aging: A literature overview on older-age workers
Nylen P; Favero F; Glimne S; Fahnehjelm KT; Eklund J
Article: ACTA OPHTHALMOLOGICA. 2013;91(6):564-570
Ocular motor score a novel clinical approach to evaluating ocular motor function in children
Olsson M; Fahnehjelm KT; Rydberg A; Ygge J
Article: ACTA OPHTHALMOLOGICA. 2012;90(5):445-448
Corneal hysteresis in mucopolysaccharidosis I and VI
Fahnehjelm KT; Chen E; Winiarski J
Article: ACTA OPHTHALMOLOGICA. 2012;90(3):287-290
Ocular axial length and corneal refraction in children with mucopolysaccharidosis (MPS I-Hurler)
Fahnehjelm KT; Tornquist AL; Winiarski J
Article: ACTA OPHTHALMOLOGICA. 2012;90(1):32-43
Visual function, ocular motility and ocular characteristics in patients with mitochondrial complex I deficiency
Fahnehjelm KT; Olsson M; Naess K; Wiberg M; Ygge J; Martin L; von Dobeln U
Article: ACTA OPHTHALMOLOGICA. 2011;89(2):143-150
Occurrence and pattern of ocular disease in children with cholestatic disorders
Fahnehjelm KT; Fischler B; Martin L; Nemeth A
Article: ACTA OPHTHALMOLOGICA. 2011;89(1):62-69
Visual field results and optic disc morphology in patients treated with allogeneic stem-cell transplantation in childhood
Tornquist AL; Olsson M; Martin L; Winiarski J; Fahnehjelm KT
Article: ACTA OPHTHALMOLOGICA. 2008;86(3):329-337
Ocular characteristics in 10 children with long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency:: a cross-sectional study with long-term follow-up
Fahnehjelm KT; Holmstrom G; Ying L; Haglind CB; Nordenstrom A; Halldin M; Alm J; Nemeth A; von Dobeln U
Article: ACTA OPHTHALMOLOGICA. 2008;86(3):253-258
Dry-eye syndrome after allogeneic stem-cell transplantation in children
Fahnehjelm KT; Tornquist A-L; Winiarski J
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2008;40(11-12):935-942
Congenital CMV infection: Prevalence in newborns and the impact on hearing deficit
Engman M-L; Malm G; Engstrom L; Petersson K; Karltorp E; Fahnehjelm KT; Uhlen I; Guthenberg C; Lewensohn-Fuchs I
Article: AMERICAN JOURNAL OF OPHTHALMOLOGY. 2007;144(5):648-653
Risk of visual impairment in children with congenital toxoplasmic retinochoroiditis
Tan HK; Schmidt D; Stanford M; Teaer-Fahnehjelm K; Ferret N; Salt A; Gilbert R
Article: ACTA OPHTHALMOLOGICA. 2007;85(7):724-733
Visual outcome and cataract development after allogeneic stem-cell transplantation in children
Fahnehjelm KT; Tornquist A-L; Olsson M; Winiarski J
Article: ACTA OPHTHALMOLOGICA. 2006;84(6):781-785
Ocular findings in four children with mucopolysaccharidosis I-Hurler (MPS I-H) treated early with haematopoietic stem cell transplantation
Fahnehjelm KT; Tornquist A-L; Malm G; Winiarski J
Article: ANNALS OF NEUROLOGY. 2005;58(4):544-552
Secondary metabolic effects in complex I deficiency
Esteitie N; Hinttala R; Wibom R; Nilsson H; Hance N; Naess K; Teär-Fahnehjelm K; von Döbeln U; Majamaa K; Larsson NG
Article: ACTA OPHTHALMOLOGICA. 2003;81(4):361-372
Visually impaired children with posterior ocular malformations:: pre- and neonatal data and visual functions
Fahnehjelm KT; Jacobson L; Hellström A; Lewensohn-Fuchs I; Ygge J
Article: ACTA OPHTHALMOLOGICA. 2003;81(2):130-137
Optic nerve hypoplasia in cholestatic infants: a multiple case study
Fahnehjelm KT; Fischler B; Jacobson L; Nemeth A
Article: ACTA PAEDIATRICA. 2003;92(3):301-308
Posterior ocular malformations in children:: somatic, neuroradiological and cognitive aspects
Fahnehjelm KT; Wide K; Flodmark O; Ek U; Hellström A
Article: EPIDEMIOLOGY & INFECTION. 2001;127(1):121-127
Low incidence of toxoplasma infection during pregnancy and in newborns in Sweden
Evengård B; Petersson K; Engman ML; Wiklund S; Ivarsson SA; Teär-Fahnehjelm K; Forsgren M; Gilbert R; Malm G
Article: ACTA OPHTHALMOLOGICA. 2001;79(1):72-75
A child with Muscle-Eye-Brain disease - Ophthalmological and neurological characteristics
Fahnehjelm KT; Ygge J; Engman ML; Mosskin M; Santavuori P; Malm G
Article: ACTA OPHTHALMOLOGICA. 2000;78(5):569-575
Ophthalmological findings in children with congenital toxoplasmosis -: Report from a Swedish prospective screening study of congenital toxoplasmosis with two years of follow-up
Fahnehjelm KT; Malm G; Ygge J; Engman ML; Maly E; Evengård B
Article: ACTA OPHTHALMOLOGICA. 1999;77(5):530-535
Visual and ocular outcome in children after prenatal exposure to antiepileptic drugs
Fahnehjelm KT; Wide K; Ygge J; Hellström A; Tomson T; Winbladh B; Strömland K
Article: ACTA PAEDIATRICA. 1999;88(6):667-670
Three children with congenital toxoplasmosis:: early report from a Swedish prospective screening study
Malm G; Fahnehjelm KT; Wiklund S; Engman ML; Ivarsson SA; Petersson K; Evengård B
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All other publications

Other: LAKARTIDNINGEN. 2020;117:19238
[Important to evaluate children with visual impairment].
Fahnehjelm C; Dahl S; Skriapa Manta A; Lindstrand A; Wickström R; Fahnehjelm K
Corrigendum: BONE MARROW TRANSPLANTATION. 2019;54(5):782-783
Non-GVHD ocular complications after hematopoietic cell transplantation: expert review from the Late Effects and Quality of Life Working Committee of the CIBMTR and Transplant Complications Working Party of the EBMT (vol 54, pg 648, 2019)
Inamoto Y; Petricek I; Burns L; Chhabra S; DeFilipp Z; Hematti P; Rovo A; Schears R; Shah A; Agrawal V; Al-Khinji A; Ahmed I; Ali A; Aljurf M; Alkhateeb H; Beitinjaneh A; Bhatt N; Buchbinder D; Byrne M; Callander N; Fahnehjelm K; Farhadfar N; Gale RP; Ganguly S; Hildebrandt GC; Horn E; Jakubowski A; Kamble RT; Law J; Lee C; Nathan S; Penack O; Pingali R; Prasad P; Pulanic D; Rotz S; Shreenivas A; Steinberg A; Tabbara K; Tichelli A; Wirk B; Yared J; Basak GW; Battiwalla M; Duarte R; Savani BN; Flowers MED; Shaw BE; Valdes-Sanz N
Review: BONE MARROW TRANSPLANTATION. 2019;54(5):648-661
Non-GVHD ocular complications after hematopoietic cell transplantation: expert review from the Late Effects and Quality of Life Working Committee of the CIBMTR and Transplant Complications Working Party of the EBMT
Inamoto Y; Petricek I; Burns L; Chhabra S; DeFilipp Z; Hematti P; Rovo A; Schears R; Shah A; Agrawall V; Al-Khinji A; Ahmed I; Ali A; Aljurf M; Alkhateeb H; Beitinjaneh A; Bhatt N; Buchbinder D; Byrne M; Callander N; Fahnehjelm K; Farhadfar N; Gale RP; Ganguly S; Hildebrandt GC; Horn E; Jakubowski A; Kamble RT; Law J; Lee C; Nathan S; Penack O; Pingali R; Prasad P; Pulanic D; Rotz S; Shreenivas A; Steinberg A; Tabbara K; Tichelli A; Wirk B; Yared J; Basak GW; Battiwalla M; Duarte R; Savani BN; Flowers MED; Shaw BE; Valdes-Sanz N
Review: BONE MARROW TRANSPLANTATION. 2019;54(5):662-673
Ocular graft-versus-host disease after hematopoietic cell transplantation: Expert review from the Late Effects and Quality of Life Working Committee of the CIBMTR and Transplant Complications Working Party of the EBMT
Inamoto Y; Valdes-Sanz N; Ogawa Y; Alves M; Berchicci L; Galvin J; Greinix H; Hale GA; Horn B; Kelly D; Liu H; Rowley S; Schoemans H; Shah A; Stanghellini MTL; Agrawal V; Ahmed I; Ali A; Bhatt N; Byrne M; Chhabra S; DeFilipp Z; Fahnehjelm K; Farhadfar N; Horn E; Lee C; Nathan S; Penack O; Prasad P; Rotz S; Rovo A; Yared J; Pavletic S; Basak GW; Battiwalla M; Duarte R; Savani BN; Flowers MED; Shaw BE; Petricek I
Review: TRANSPLANTATION AND CELLULAR THERAPY. 2019;25(5):e145-e154
Non-Graft-versus-Host Disease Ocular Complications after Hematopoietic Cell Transplantation: Expert Review from the Late Effects and Quality of Life Working Committee of the Center for International Blood and Marrow Transplant Research and the Transplant Complications Working Party of the European Society for Blood and Marrow Transplantation
Inamoto Y; Petricek I; Burns L; Chhabra S; DeFilipp Z; Hematti P; Rovo A; Schears R; Shah A; Agrawal V; Ahmed A; Ahmed I; Ali A; Aljurf M; Alkhateeb H; Beitinjaneh A; Bhatt N; Buchbinder D; Byrne M; Callander N; Fahnehjelm K; Farhadfar N; Gale RP; Ganguly S; Hashmi S; Hildebrandt GC; Horn E; Jakubowski A; Kamble RT; Law J; Lee C; Nathan S; Penack O; Pingali R; Prasad P; Pulanic D; Rotz S; Shreenivas A; Steinberg A; Tabbara K; Tichelli A; Wirk B; Yared J; Basak GW; Battiwalla M; Duarte R; Savani BN; Flowers MED; Shaw BE; Valdes-Sanz N
Review: TRANSPLANTATION AND CELLULAR THERAPY. 2019;25(2):e46-e54
Ocular Graft-versus-Host Disease after Hematopoietic Cell Transplantation: Expert Review from the Late Effects and Quality of Life Working Committee of the Center for International Blood and Marrow Transplant Research and Transplant Complications Working Party of the European Society of Blood and Marrow Transplantation.
Inamoto Y; Valdés-Sanz N; Ogawa Y; Alves M; Berchicci L; Galvin J; Greinix H; Hale GA; Horn B; Kelly D; Liu H; Rowley S; Schoemans H; Shah A; Lupo Stanghellini MT; Agrawal V; Ahmed I; Ali A; Bhatt N; Byrne M; Chhabra S; DeFilipp Z; Fahnehjelm K; Farhadfar N; Horn E; Lee C; Nathan S; Penack O; Prasad P; Rotz S; Rovó A; Yared J; Pavletic S; Basak GW; Battiwalla M; Duarte R; Savani BN; Flowers MED; Shaw BE; Petriček I
Editorial comment: ACTA PAEDIATRICA. 2017;106(7):1040
The new Swedish report on Shaken Baby Syndrome is misleading
Hellgren K; Hellstrom A; Hard A-L; Jacobson L; Liden U; Lofgren S; Fahnehjelm KT; Ygge J
Review: ACTA OPHTHALMOLOGICA. 2012;90(7):595-602
Clinical guidelines for diagnosing and managing ocular manifestations in children with mucopolysaccharidosis
Fahnehjelm KT; Ashworth JL; Pitz S; Olsson M; Tornquist AL; Lindahl P; Summers CG
Letter: ACTA OPHTHALMOLOGICA. 2011;89(7):E598-E599
Corneal hysteresis in mucopolysaccharidosis I and VI - authors reponse
Fahnehjelm KT; Chen E
Review: BRITISH JOURNAL OF OPHTHALMOLOGY. 2011;95(5):613-619
Diagnosis and management of ophthalmological features in patients with mucopolysaccharidosis
Ferrari S; Ponzin D; Ashworth JL; Fahnehjelm KT; Summers CG; Harmatz PR; Scarpa M
Review: CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY. 2010;38:34-42
Systemic therapies for mucopolysaccharidosis: ocular changes following haematopoietic stem cell transplantation or enzyme replacement therapy - a review
Summers CG; Fahnehjelm KT; Pitz S; Guffon N; Koseoglu ST; Harmatz P; Scarpa M
Editorial comment: ACTA OPHTHALMOLOGICA. 2008;86(3):240-242
Closer interaction with paediatricians in everyday practice as well as in research gives a more holistic view of the child and offers a new dimension for the paediatric ophthalmologist
Fahnehjelm KT
Doctoral thesis: 2003
Posterior ocular malformations in children : teratological aspects
Fahnehjelm KT

Employments

Adjunct Professor, Department of Clinical Neuroscience, Karolinska Institutet, 2023-2027

Degrees and Education

Docent, Karolinska Institutet, 2009
Doctor Of Philosophy, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, 2003

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