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MARVIN SHEPHERD, EARLE H. McBAIN, W. K. McEWEN; An Electrical Model of the Human Eye II. The Model and the Eye During Tonography. Invest. Ophthalmol. Vis. Sci. 1967;6(2):160-170.
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A basic electrical model of the eye can be distorted analogously to the distortion of an eye when a tonometer is placed upon it. It may then be caused to match a clinical tonogram by adjustment of facility of outflow and stress relaxation. The classical elastic concept of the eye is compared to the viscoelastic concept by the use of models. Stress relaxation is offered as an explanation of the "first minute effect." The degree of match of model to tonogram is illustrated by published normal tonograms. The electrical model does not provide very different quantitative values for facility of outflow, but it does strengthen the concept of viscoelasticity of the eye. The degree of fit of the model to published clinical tonograms and the data derived therefrom is illustrated and discussed.
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