This volume presents the proceedings of the Eighth Symposium of the International Research Group on Colour Vision Deficiencies held in June 1985. The contributors are among the world's leading visual psychophysicists, with strong commitments to investigation of visual system disorders. The majority of the reports deal with methodologic and practical aspects of evaluation of subjects for congenital and acquired color vision
"... merit[s] the attention of ophthalmologists and visual scientists with interests in the areas outlined." defects. Among the acquired defects considered are those induced by lights within the visible spectrum and by pharmacologic agents.
There are four reports on aging and vision that consider age-related changes in cone-mediated function; the works by Weale and Eisner included in this section are among the more valuable in the book. The reports of effects of pseudophakia on color vision are timely for ophthalmologists and present an area in which studies of aging and