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Charles E. Riva


CV of Charles E. Riva [pdf]

Scientific Interests

  • Physiology of blood flow in the ocular microcirculation and in particular control of the flow
  • Neurovascular coupling
  • Functional imaging
  • Optical methods in physiology (laser Doppler, reflectometry,etc)


  • Laser Doppler Velocimetry/flowmetry
  • Functional retinal and optic nerve imaging by multispectral reflectometry


  • Optical Society of America (OSA)
  • European Association for Vision and Eye Research (EVER)
  • Investigative Ophthalmology and Visual Science (IOVS)

Further Activities

  • 2010: Past president of EVER
  • Consultant for various laboratories
Charles E. Riva
Charles E. Riva


Prof. Em Charles E. Riva

Les Combes 71
1971 Grimisuat

Phone: (+41) 27 39085582



  1. Riva CE, Falsini B, Logean E.
    Flicker-evoked responses of human optic nerve head blood flow: luminance versus chromatic modulation.
    Invest. Ophthalmol. Vis. Sci. 2001, ;42(3) : 756-762, 2001.
  2. Logean E, Schmetterer L, Riva CE.
    Velocity profile of red blood cells in human retinal vessels by confocal scanning laser Doppler velocimetry.
    Laser Physics, 13 (1), 45-51, 2003.
  3. Dorner GT, Garhofer G, Kiss B, Polska E, Polak K, Riva CE, Schmetterer L.
    Nitric oxide regulates retinal vascular tonein humans.
    Am J Physiol Heart Circ Physiol. 285:H631-6, 2003.  
  4. Riva CE, Salgarello T, Logean E, Colotto A, Galan EM, Falsini B.
    Flicker-evoked response measured at the optic disc rim is reduced in ocular hypertension and early glaucoma.
    Invest Ophthalmol Vis Sci. 45:3662-8, 2004.  
  5. Crittin M, Riva CE.
    Functional imaging of the human papilla and peripapillary region based on flicker-induced reflectance changes.
    Neurosci Lett. 360:141-14, 2004.  
  6. Riva CE, Logean E, Falsini B.
    Temporal dynamics and magnitude of the blood flow response at the optic disk in normal subjects during functional retinal flicker-stimulation.
    Neurosci Lett. 356:75-8, 2004
  7. Longo A, Geiser MH, Riva CE.
    Posture changes and subfoveal choroidal blood flow.
    Invest Ophthalmol Vis Sci. 45:546- 51, 2004.  
  8. Riva CE, Logean E, Falsini B.
    Visually evoked hemodynamical response and assessment of neurovascular coupling in the optic nerve and retina.
    Prog Retin Eye Res. 24:183-215, 2005.
  9. Pournaras CJ, Rungger-Brandle E, Riva CE, Hardarson SH, Stefansson E.
    Regulation of retinal blood flow in health and disease.
    Prog Retin Eye Res. 27:284-330,2008
  10. Riva CE, Geiser M, Petrig BL.
    Ocular blood flow assessment using continuous laser Doppler flowmetry.
    Acta Ophthalmol. 2009 Oct 23.

Research Groups