Titlebook: New Methods of Sensory Visual Testing; Michael Wall (Associate Professor of Neurology, Ne Book 1989 Springer-Verlag New York Inc. 1989 ass

Engaged

parsimony

Mark J. Kupersmith,Karen Holopigian,William H. Seiple

Oligarchy

Michael Wall (Associate Professor of Neurology, Ne

無目標(biāo)

PARA

monologue

大暴雨

Brightness Sense Testing,Experimental animal and human studies have shown the existence of several retinal ganglion cell types, each with different central projections. These separate channels probably subserve different psychophysical functions. It is likely that several parallel visual systems exist in man and that each pathway subserves a different visual task.

Expiration

發(fā)炎

相同

Contrast Sensitivity Testing, visual system disorders cause patients to complain that their vision is cloudy or blurred, or that the borders of objects are blurred, even though they retain 20/20 Snellen acuity. These patients may suffer from losses in contrast sensitivity that cannot be detected using standard clinical testing.