Information till studenter och medarbetare med anledning av covid-19 (Uppdaterad: 22 februari 2021)

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Umeå universitet
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Personalbild Per Hallberg

Per Hallberg

Kontakt

E-post
per.hallberg@umu.se
Telefon
090-786 80 62

Verksam vid

Anknytning
Universitetslektor vid Institutionen för tillämpad fysik och elektronik
Plats
X, Håken Gullessons väg 20, Teknikhuset, TB303 Umeå universitet, 901 87 Umeå
Intraocular Pressure Decrease Does Not Affect Blood Flow Rate of Ophthalmic Artery in Ocular Hypertension
Investigative Ophthalmology and Visual Science, Association for Research in Vision and Ophthalmology 2020, Vol. 61, (12)
Jóhannesson, Gauti; Qvarlander, Sara; Wåhlin, Anders; et al.
Feasibility of MRI to assess differences in ophthalmic artery blood flow rate in normal tension glaucoma and healthy controls
Acta Ophthalmologica
Kristiansen, Martin; Lindén, Christina; Qvarlander, Sara; et al.
Kan en branschspecifik innovationsmodell öka ”success rate” för medicintekniska innovationer?
Medicinteknikdagarna 2019, Linköping, Sweden, 2-3 oktober, 2019
Mejtoft, Thomas; Andersson, Britt M.; Pommer, Linda; et al.
Blood flow rate of ophthalmic artery in patients with normal tension glaucoma and healthy controls
Investigative Ophthalmology and Visual Science, The Association for Research in Vision and Ophthalmology 2018, Vol. 59, (9)
Kristiansen, Martin; Linden, Christina; Qvarlander, Sara; et al.
Analysis of long-term visual quality with numerical 3D ray tracing after corneal crosslinking treatment
Applied Optics, Optical Society of America 2017, Vol. 56, (35) : 9787-9792
Schedin, Staffan; Hallberg, Per; Behndig, Anders
Three-dimensional ray-tracing model for the study of advanced refractive errors in keratoconus
Applied Optics, Optical Society of America 2016, Vol. 55, (3) : 507-514
Schedin, Staffan; Hallberg, Per; Behndig, Anders
Optimization of an intraocular lens for correction of advanced corneal refractive errors
Applied Optics, Optical Society of America 2016, Vol. 55, (16) : 4378-4382
Wadbro, Eddie; Hallberg, Per; Schedin, Staffan
Treatment Effect and Corneal Light Scattering With 2 Corneal Cross-linking Protocols: A Randomized Clinical Trial
JAMA ophthalmology, Vol. 133, (11) : 1254-1260
Beckman Rehnman, Jeannette; Lindén, Christina; Hallberg, Per; et al.
Age-dependency of ocular parameters: a cross sectional study of young and elderly healthy subjects
Graefe's Archives for Clinical and Experimental Ophthalmology, Springer 2015, Vol. 253, (11) : 1979-1983
Johannesson, Gauti; Hallberg, Per; Ambarki, Khalid; et al.
Age-dependency of ocular parameters - a cross sectional study of young and old healthy subjects
Investigative Ophthalmology and Visual Science, Association for Research in Vision and Ophthalmology 2015, Vol. 56, (7)
Johannesson, Gauti; Hallberg, Per; Ambarki, Khalid; et al.
Increased corneal hysteresis after corneal collagen crosslinking: a study based on applanation resonance technology
JAMA ophthalmology, American Medical Association 2014, Vol. 132, (12) : 1426-1432
Beckman Rehnman, Jeannette; Behndig, Anders; Hallberg, Per; et al.
Initial results from mechanical compression of the cornea during crosslinking for keratoconus
Acta Ophthalmologica, John Wiley & Sons 2014, Vol. 92, (7) : 644-649
Beckman Rehnman, Jeannette; Behndig, Anders; Hallberg, Per; et al.
Effects of topical anaesthetics and repeated tonometry on intraocular pressure
Acta Ophthalmologica, Vol. 92, (2) : 111-115
Johannesson, Gauti; Hallberg, Per; Eklund, Anders; et al.
Can we trust intraocular pressure measurements in eyes with intracameral air?
Graefe's Archives for Clinical and Experimental Ophthalmology, Springer 2014, Vol. 252, (10) : 1607-1610
Jóhannesson, Gauti; Lindén, Christina; Eklund, Anders; et al.
Blood flow of ophthalmic artery in healthy individuals determined by phase-contrast magnetic resonance imaging
Investigative Ophthalmology and Visual Science, Vol. 54, (4) : 2738-2745
Ambarki, Khalid; Hallberg, Per; Jóhannesson, Gauti; et al.
Change in intraocular pressure measurement 2 years after myopic laser-assisted subepithelial keratectomy
Journal of cataract and refractive surgery, Vol. 38, (9) : 1637-1642
Johannesson, Gauti; Hallberg, Per; Eklund, Anders; et al.
Change in intraocular pressure measurement after myopic LASEK: a study evaluating Goldmann, Pascal and applanation resonance tonometry
Journal of glaucoma, Lippincott Williams & Wilkins 2012, Vol. 21, (4) : 255-259
Jóhannesson, Gauti; Hallberg, Per; Eklund, Anders; et al.
Introduction and clinical evaluation of servo-controlled applanation resonance tonometry
Acta Ophthalmologica Scandinavica, Vol. 90, (7) : 677-682
Jóhannesson, Gauti; Hallberg, Per; Eklund, Anders; et al.
Tactile resonance sensors in medicine.
Journal of Medical Engineering & Technology, Vol. 33, (4) : 263-273
Lindahl, O A; Constantinou, C E; Eklund, Anders; et al.
The physician at a distance: the use of videoconferencing in the treatment of patients with hypertension
Journal of Telemedicine and Telecare, Sage Publications 2009, Vol. 15, (8) : 397-403
Nilsson, Mats; Rasmark, Ulf; Nordgren, Helena; et al.
Hand cold recovery responses before and after 15 months of military training in a cold climate
Aviation, Space and Environmental Medicine, Vol. 79, (9) : 904-908
Brändström, Helge; Grip, Helena; Hallberg, Per; et al.
Pascal, ICare and Goldmann applanation tonometry: a comparative study
Acta ophthalmologica, Vol. 86, (6) : 614-621
Jóhannesson, Gauti; Hallberg, Per; Eklund, Anders; et al.
A technical platform for remote monitoring of biosignals in real time
A technical platform for remote monitoring of biosignals in real time
Skönevik, Johan; Karlsson, Stefan; Hallberg, Per; et al.
Clinical evaluation of applanation resonance tonometry: a comparison with Goldmann applanation tonometry.
Journal of glaucoma, Vol. 16, (1) : 88-93
Hallberg, Per; Eklund, Anders; Bäcklund, Tomas; et al.
Symmetric sensor for applanation resonance tonometry of the eye
Medical and Biological Engineering and Computing, Vol. 44, (1-2) : 54-60
Hallberg, Per; Lindén, Christina; Bäcklund, Tomas; et al.
Comparison of Goldmann applanation and applanation resonance tonometry in a biomicroscope-based in vitro porcine eye model
J Med Eng Technol, Vol. 30, (6) : 345-352
Hallberg, Per; Santala, Kenneth; Lindén, Christina; et al.
Applanation resonance tonometry for intraocular pressure in humans
Physiological Measurement, Vol. 25, (4) : 1053-1065
Hallberg, Per; Lindén, Christina; Lindahl, Olof A.; et al.
An applanation resonator sensor for measuring intraocular pressure using combined continuous force and area measurement
Investigative Ophthalmology and Visual Science, Vol. 44, (7) : 3017-3024
Eklund, Anders; Hallberg, Per; Lindén, Christina; et al.
Underestimation of intraocular pressure after photorefractive keratectomy - a biomechanical analysis
Hallberg, Per; Eklund, Anders; Santala, Kenneth; et al.
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Forskargrupper

Gruppmedlem
Centrum för medicinsk teknik och fysik (CMTF)

Forskningsprojekt

1 september 2020 till 28 februari 2022
MT4North - Business model
1 juli 2017 till 31 december 2019
Medtech4North
25 augusti 2014 till 31 december 2014
Why does IOP reduction help glaucoma patient - Response of the ophthalmic artery blood flow and ocular rigidity to a reduction in IOP