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Figure 3 | BioMedical Engineering OnLine

Figure 3

From: An inverse method to determine the mechanical properties of the iris in vivo

Figure 3

Construction of the finite element model for the anterior chamber of the iris in vivo before perfusion. (a) Ultrasonic image of the anterior chamber. (b) Cornea, iris and the lens were segmented by optimal threshold segmentation algorithm program and marked in different colors. (c) Contours of the anterior chamber extracted. (d) Solid model of the anterior chamber. (e) A FE model of the anterior chamber based on the solid model. (f) The CAX4RH and CAX3 elements were marked in blue and red in finite element model of iris, respectively.

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