For the remainder of this talk I would like to address the potential for clinical applications of resolution acuity in perimetry. Although the notion of doing perimetry with an acuity task is not new, the emphasis I place on using a psychophysical task which is sampling-limited is critical. This is the link between neruoanatomy and psychophysical performance which allows us to estimate the sampling density of retinal neurons in the living eye.

Thus sampling-limited resolution perimetry produces iso-acuity isopters that can be interpreted as iso-density contours. Changes in such contours over time, or with respect to the normal population, could be used to detect and monitor the loss of photoreceptors in parafoveal retina, or ganglion cell loss in peripheral retina for a variety of ocular diseases.

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WWWaveTM 1996
World Wide Web automated virtual environment TM 1996
Kevin Haggerty, Indiana University.

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