D Schweitzer

Summary

Affiliation: Friedrich Schiller University
Country: Germany

Publications

  1. ncbi request reprint In vivo measurement of the oxygen saturation of retinal vessels in healthy volunteers
    D Schweitzer
    Augenklinik, Friedrich Schiller Universitat Jena, Germany
    IEEE Trans Biomed Eng 46:1454-65. 1999
  2. ncbi request reprint Towards metabolic mapping of the human retina
    D Schweitzer
    Department of Experimental Ophthalmology, University of Jena, Germany
    Microsc Res Tech 70:410-9. 2007
  3. ncbi request reprint [Limits of the confocal laser-scanning technique in measurements of time-resolved autofluorescence of the ocular fundus]
    D Schweitzer
    Experimentelle Ophthalmologie, Augenklinik der Friedrich Schiller Universität Jena
    Biomed Tech (Berl) 50:263-7. 2005
  4. ncbi request reprint [Fundus spectrometry in age-related maculopathy]
    D Schweitzer
    FSU Jena, Klinik fur Augenheilkunde, Bereich Experimentelle Ophthalmologie, Jena
    Klin Monbl Augenheilkd 222:396-408. 2005
  5. ncbi request reprint [Spectral separation in ocular fundus autofluorescence images in patients suffering from age-related macular degeneration]
    M Hammer
    Augenklinik, Friedrich Schiller Universitat, Jena
    Ophthalmologe 101:1189-93. 2004
  6. ncbi request reprint [Alterations in autofluorescence decay time in the fundus after oxygen provocation]
    D Schweitzer
    Bereich Experimentelle Ophthalmologie, Augenklinik der FSU Jena
    Ophthalmologe 101:66-72. 2004
  7. ncbi request reprint [Determination of the concentration distribution of macular pigment from reflection and fluorescence images]
    M Hammer
    Augenklinik, FSU, Jena
    Ophthalmologe 100:611-7. 2003
  8. ncbi request reprint [Time-correlated measurement of autofluorescence. A method to detect metabolic changes in the fundus]
    D Schweitzer
    Augenklinik der FSU Jena, Bereich Experimentelle Ophthalmologie, Germany
    Ophthalmologe 99:774-9. 2002
  9. ncbi request reprint [Intrastomal refractive surgery with ultra-short laser pulses. Results from initial in vitro experiments]
    M Hammer
    Augenklinik der FSU Jena, Germany
    Ophthalmologe 99:756-60. 2002
  10. ncbi request reprint [Objective determination of optical density of xanthophyll after supplementation of lutein]
    D Schweitzer
    Bereich Experimentelle Ophthalmologie, Augenklinik der Friedrich Schiller Universität Jena
    Ophthalmologe 99:270-5. 2002

Detail Information

Publications15

  1. ncbi request reprint In vivo measurement of the oxygen saturation of retinal vessels in healthy volunteers
    D Schweitzer
    Augenklinik, Friedrich Schiller Universitat Jena, Germany
    IEEE Trans Biomed Eng 46:1454-65. 1999
    ..The utilization of oxygen in the temporal quadrants (inferior: 39.4 +/- 10.4%) is significantly (p = 0.05) higher than in the nasal quadrants (inferior: 31.3 +/- 6.7%)...
  2. ncbi request reprint Towards metabolic mapping of the human retina
    D Schweitzer
    Department of Experimental Ophthalmology, University of Jena, Germany
    Microsc Res Tech 70:410-9. 2007
    ..Taking into account the transmission of the ocular media, the excitation of NADH is unlikely at the fundus...
  3. ncbi request reprint [Limits of the confocal laser-scanning technique in measurements of time-resolved autofluorescence of the ocular fundus]
    D Schweitzer
    Experimentelle Ophthalmologie, Augenklinik der Friedrich Schiller Universität Jena
    Biomed Tech (Berl) 50:263-7. 2005
    ..It was to be examined, to what extent these measurements are influenced through the auto-fluorescence of the crystalline lens...
  4. ncbi request reprint [Fundus spectrometry in age-related maculopathy]
    D Schweitzer
    FSU Jena, Klinik fur Augenheilkunde, Bereich Experimentelle Ophthalmologie, Jena
    Klin Monbl Augenheilkd 222:396-408. 2005
    ..The detection of autofluorescence of redox-pairs of coenzymes results in information about metabolic states at the cellular level, and might make possible an early detection of age-related changes when they are still reversible...
  5. ncbi request reprint [Spectral separation in ocular fundus autofluorescence images in patients suffering from age-related macular degeneration]
    M Hammer
    Augenklinik, Friedrich Schiller Universitat, Jena
    Ophthalmologe 101:1189-93. 2004
    ..Alterations in the intrinsic ocular fundus fluorescence are under discussion particularly in connection with age-related macular degeneration. However, further knowledge of the chemical substrate of fluorescence is necessary...
  6. ncbi request reprint [Alterations in autofluorescence decay time in the fundus after oxygen provocation]
    D Schweitzer
    Bereich Experimentelle Ophthalmologie, Augenklinik der FSU Jena
    Ophthalmologe 101:66-72. 2004
    ..Therefore, it was investigated whether the autofluorescence of co-enzymes is detectable in the living fundus...
  7. ncbi request reprint [Determination of the concentration distribution of macular pigment from reflection and fluorescence images]
    M Hammer
    Augenklinik, FSU, Jena
    Ophthalmologe 100:611-7. 2003
    ..Therefore, we investigated a simple method to determine the xanthophyll concentration at the fundus which is suitable for patient screening...
  8. ncbi request reprint [Time-correlated measurement of autofluorescence. A method to detect metabolic changes in the fundus]
    D Schweitzer
    Augenklinik der FSU Jena, Bereich Experimentelle Ophthalmologie, Germany
    Ophthalmologe 99:774-9. 2002
    ..5 ns were detected in the parapapillary area. By evaluating the frequency of lifetimes, lipofuscin, free FAD, and collagen are probably detectable. Comparative measurements were performed in fundus specimens and on free FAD...
  9. ncbi request reprint [Intrastomal refractive surgery with ultra-short laser pulses. Results from initial in vitro experiments]
    M Hammer
    Augenklinik der FSU Jena, Germany
    Ophthalmologe 99:756-60. 2002
    ..To investigate the possibilities and techniques for intrastromal ablation of the cornea by the use of ultra-short laser pulses...
  10. ncbi request reprint [Objective determination of optical density of xanthophyll after supplementation of lutein]
    D Schweitzer
    Bereich Experimentelle Ophthalmologie, Augenklinik der Friedrich Schiller Universität Jena
    Ophthalmologe 99:270-5. 2002
    ..Most methods applied for the determination of the macular pigment require the co-operation of the proband and the ability for foveal fixation...
  11. ncbi request reprint A new method for the measurement of oxygen saturation at the human ocular fundus
    D Schweitzer
    Department of Experimental Ophthalmology, University of Jena, Germany
    Int Ophthalmol 23:347-53. 2001
    ..First measurements of the oxygen saturation in age-related macular degeneration point to partly different pathological changes of the retinal microcirculation in dry and in wet AMD...
  12. ncbi request reprint Non-invasive measurement of the concentration of melanin, xanthophyll, and hemoglobin in single fundus layers in vivo by fundus reflectometry
    M Hammer
    University of Jena, Department of Ophthalmology, Germany
    Int Ophthalmol 23:279-89. 2001
    ..The concentration values found in 12 healthy subjects are in excellent agreement with literature data. In single cases of pathologic fundus alterations possible benefits to the ophthalmologic diagnostics is demonstrated...
  13. ncbi request reprint [Change of retinal oxygen saturation in healthy subjects and in early stages of diabetic retinopathy during breathing of 100% oxygen]
    D Schweitzer
    Experimentelle Ophthalmologie, Augenklinik der FSU Jena
    Klin Monbl Augenheilkd 224:402-10. 2007
    ....
  14. ncbi request reprint Basic investigations for 2-dimensional time-resolved fluorescence measurements at the fundus
    D Schweitzer
    Department of Experimental Ophthalmology, University of Jena, Germany
    Int Ophthalmol 23:399-404. 2001
    ..emission 450-600 nm) as a putative precursor of lipofuscin in age-related macular degeneration [11], a light source for pulses in the range of about 50 ps is required...
  15. ncbi request reprint Scattering properties of the retina and the choroids determined from OCT-A-scans
    H Hammer
    University of Jena, Department of Ophthalmology, Germany
    Int Ophthalmol 23:291-5. 2001
    ..The new technique described here gives the unique opportunity to determine further interesting parameters of single ocular layers. The values given above are in good agreement with in vitro results...