In vitro measurement of corneal strain, thickness, and curvature using digital image processing.

@article{Hjortdal1995InVM,
  title={In vitro measurement of corneal strain, thickness, and curvature using digital image processing.},
  author={Jesper O. Hjortdal and Peter Koch Jensen},
  journal={Acta ophthalmologica Scandinavica},
  year={1995},
  volume={73 1},
  pages={5-11}
}
A video camera, a microscope, and a PC-based digital image processing board were assembled for in vitro studies of corneal biomechanics. Central tangential corneal strain was determined by placing pairs of tiny mercury droplets on the epithelial surface and on the endothelial surface of the cornea. A distance of 3.2 mm could be determined with a standard deviation of 1.2 micron. Central corneal radius of curvature was measured from digital traces of the corneal surface contour. The standard… CONTINUE READING

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