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Biophysical Journal 12: 1630-1641 (1972)
© 1972 the Biophysical Society

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Dynamic Rheooptical Behavior of Isolated Bovine Cornea

Donald Kaplan and Frederick A. Bettelheim

ABSTRACT

The dynamic Young's modulus E' and loss modulus E'' were obtained for isolated bovine cornea using a direct-reading dynamic viscoelastometer. Within the temperature range (0-60°C) and frequency range (3.5-110 Hz) studied, both moduli were temperature and frequency independent. The dynamic birefringence of the cornea was measured in a special apparatus designed for this purpose in conjunction with the dynamic viscoelastometer. The stress-optical and strain-optical coefficients as well as the corresponding phase angles were evaluated as a function of temperature and frequency. The strain- and stress-optical coefficients were both temperature and frequency dependent.






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Copyright © 1972 by the Biophysical Society.