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Depth measurement with the slit-lamp microscope.
  1. E. S. Perkins
  1. Department of Ophthalmology, University of Iowa Hospital, Iowa City 52242.

    Abstract

    The sagittal distance of ocular structures can be obtained with a slit-lamp microscope providing the movement of the slit-lamp can be measured. A simple device consisting of a pointer attached by a spring clip to the axle of a Haag-Streit 900 slit-lamp is described. The pointer rides over a scale which slides with the slit-lamp. Comparisons of anterior chamber depth and lens thickness showed a high correlation between this optical method and ultrasound measurements.

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