Abstract
To assess the accuracy and precision of the Barron radial vacuum trephine as an instrument for corneal lamellar dissection. We describe a practical method to calibrate individual trephines prior to lamellar corneal procedures using the calibration microscope designed for diamond knives. We observed that one turn (360 degrees) of the trephine produced a mean blade displacement of 0.25 mm. However, individual trephines demonstrated a significant range of variability. For highly accurate trephination, it is useful to calibrate each individual trephine using the calibration microscope.
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Schedule a callMore From: Journal of refractive surgery (Thorofare, N.J. : 1995)
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