Colour Vision Deficiencies XI : Proceedings of the Eleventh Symposium of the International Research Group on Colour Vision Deficiencies, Held in Sydney, Australia 21–23 June 1991 Including the Joint IRGCVD-AIC Meeting on Mechanisms of Colour Vision 24 Jun

The eleventh Symposium of the International Research Group on Colour Vision Deficiencies (IRGCVD) was held 20-23 June 1991 in Sydney, Aus­ tralia, ably hosted by local organizer Stephen Dain. A total of 35 talks and 10 posters were presented. Papers based on 37 of these presentations are included here, in Colour Vision Deficiencies XI. The scientific program featured sessions on three special topics, with each topic highlighted by an invited speaker. The opening session on the Genetics of congenital colour vision deficiencies began with a superb invited lecture by Charles Weitz about his pioneering work on the molecular genetics of tritanopia. The session on the second special topic, Spatial aspects of colour vision, began with the launching of a new IRGCVD tradition, as 1991 Verriest Memorial Award recipient Harry Sperling presented the first Ver­ riest Memorial Lecture on his recent studies of spatial discrimination of heterochromatic stimuli. Dr. Sperling reported new evidence that certain asymmetries in red-green opponent colour vision can be explained by the spatial organization of colour-opponent retinal neurons. In the third special session, on Occupational aspects of colour vision, Barry Cole took the audi­ ence on a fascinating tour of the historical development of colour vision standards in his invited lecture entitled 'Does defective colour vision really matter?'. In addition to the three special topics, many interesting presentations were given in topical sessions on Variations in normal colour vision, Acquired colour vision deficiencies and Colour vision tests and testing methods. Front Matter....Pages i-x Front Matter....Pages 1-1 Studies on the molecular genetics of tritanopia....Pages 3-12 Structure-function relationships in human red/green color vision....Pages 13-17 Classification of anomalous trichromatism with the Nagel anomaloscope....Pages 19-24 ERG flicker photometric evaluation of spectral sensitivity in protanopes and protanomalous trichromats....Pages 25-31 Front Matter....Pages 33-33 Spatial discrimination of heterochromatic stimuli: A review and a new experimental approach....Pages 35-50 Relative contributions of luminance and chromaticity to the Craik—Cornsweet effect....Pages 51-57 Opponent-colour responses generated by spatially tuned mechanisms in human vision....Pages 59-64 Front Matter....Pages 65-65 Does defective colour vision really matter?....Pages 67-86 The ability of colour defective observers to recognise an optimised set of red, green and white signal lights....Pages 87-95 The clinical use of the Holmes—Wright lantern....Pages 97-103 Front Matter....Pages 105-105 Electrophysiological estimates of individual variation in the L/M cone ratio....Pages 107-112 The visual characteristics of a case of Pigmentfarbenanomalie....Pages 113-117 Sensitivity of screening tests for S-cone discrimination....Pages 119-127 Matching range and age in a blue-green equation....Pages 129-134 The effect of tinted posterior chamber IOLs on color vision....Pages 135-142 Visual functions associated with rhesus visual pursuit tracking....Pages 143-152 Image diffusion in cataracts affects chromatic and achromatic contrast perception differently....Pages 153-161 Front Matter....Pages 163-163 Acute changes in blood glucose and their effects on color vision function in diabetes....Pages 165-173 Longitudinal changes of visual function over 18 months....Pages 175-187 On the assessment of visual impairment caused by Anandron....Pages 189-194 Front Matter....Pages 163-163 The relationship between colour vision loss, contrast sensitivity loss and aging....Pages 195-211 Alterations in morphology and ERG spectral sensitivity after near IR (1064 nm) multiple parafoveal Q-switched laser exposure....Pages 213-227 Selective loss of S-pathway sensitivity in central serous choroidopathy revealed by spatio-chromatic visual evoked cortical potentials (VECP)....Pages 229-239 Front Matter....Pages 241-241 A new iso-value colour vision test....Pages 243-250 Clinical experience with Pflüger trident plates for testing color vision....Pages 251-257 Screening of red-green defectives with the Hahn colour vision test....Pages 259-265 Using panel tests in screening for congenital colour vision defects....Pages 267-274 Clinical evaluation of Lanthony’s Tritan Album....Pages 275-279 The Farnsworth-Munsell 100-hue test in cone excitation space....Pages 281-291 S-cone discrimination sensitivity and performance on arrangement tests....Pages 293-302 New normative data for the Farnsworth-Munsell 100-hue test....Pages 303-320 Characteristics of random arrangements of the Farnsworth Panel D-15 test....Pages 321-325 Suitability of fluorescent tube light sources for the Ishihara test as determined by colorimetric methods....Pages 327-333 Design criteria for a clinical anomaloscope....Pages 335-344 Automated Rayleigh and Moreland matches....Pages 345-355 A filter for simulating color and spatial vision of the elderly....Pages 357-364 Evaluation of the ‘Différenciateur de Tonalité....Pages 365-372 Front Matter....Pages 373-373 Aberrant flicker sensitivity revealed by heterochromatic modulation photometry....Pages 375-382 Loss of chromatic response to monochromatic increments on intense achromatic pedestal backgrounds....Pages 383-396 Linear colour mechanisms obtained from detection thresholds in cone contrast space....Pages 397-405 Front Matter....Pages 373-373 Characterization of colour detection channels by use of their interactions....Pages 407-415 Colour vision testing using spatiotemporal luminance masking....Pages 417-426 Variations in colour matching data associated with light losses in the macular pigment....Pages 427-435 Back Matter....Pages 437-444 This volume provides a unique source of information about the latest developments in all aspects of research in colour vision deficiencies. The chapters cover recent advances in molecular genetics, spatial aspects of colour vision and occupational aspects of colour vision, as well as basic research on colour deficiencies, test methods and acquired deficiencies. In addition, the book includes papers from a special joint meeting of the International Research Group on Colour Vision Deficiencies (IRGCVD) and the International Colour Association (AIC) on `Mechanisms of Colour Vision' Proceedings of the Eleventh International Symposium, Sydney, Australia, 21-23 June 1991, including a Joint IRGCVD-AIC Meeting on Mechanisms of Colour Vision, 24 June 1991