High-speed videotopographic measurement of tear film build-up time.

  title={High-speed videotopographic measurement of tear film build-up time.},
  author={J{\'a}nos N{\'e}meth and B{\'e}la Erd{\'e}lyi and B. Cs{\'a}k{\'a}ny and P{\'e}ter G{\'a}sp{\'a}r and Alexandros Soumelidis and Ferenc Kahlesz and Zsolt Lang},
  journal={Investigative ophthalmology & visual science},
  volume={43 6},
PURPOSE To detect tear film regularity changes in the 15 seconds after a blink, by using a new high-speed videotopographic method. METHODS The new system, based on a standard corneal topograph, allows registration of four photokeratoscopic images per second. Altogether, 15 eyes of 15 healthy volunteers and 7 eyes of 7 patients with dry eye were examined in this prospective preliminary study. The main outcome measures were changes in surface regularity index (SRI), surface asymmetry index (SAI… CONTINUE READING

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