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  • Artikel: DFG Deutsche Nationallizenzen  (2)
  • 1970-1974  (2)
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  • Artikel: DFG Deutsche Nationallizenzen  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Experimental mechanics 13 (1973), S. 497-503 
    ISSN: 1741-2765
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Notizen: Abstract Viscoelastic response of intact human cornea subjected to physiological intraocular pressure was determined from local deformations measured by a flying spot micrometer. One eye of a paired specimen was prepressurized at 15 mmHg for at least 8 hr while the other eye was left unpressurized before testing. Test results of five paired eyes showed that, in prepressurized enucleated eyes, the viscoelastic response was insignificant while significant viscoelastic response existed in the nonpressurized eyes. The latter viscoelastic properties were characterized by a five-element linear viscoelastic model and a nonlinear hereditary integral by Fung.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1573-9686
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin , Technik allgemein
    Notizen: Abstract The nonlinear mechanical properties of the cornea, sclera, and optic disk determined previously are incorporated in a finite element mathematical model of a human corneo-scleral shell. This mathematical model is then used to calculate a nonlinear intraocular pressure-volume relation and the forces and volumes in applanation tonometry. These results are compared with experimental results obtained by other investigators. Friedenwald's coefficients of ocular rigidity were also calculated using the model and were found to decrease with increased intraocular pressure.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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