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John Barbur

Research Profile

Physiology

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Color Vision Defects

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TOP 3
John L Barbur; Evgenia Konstantakopoulou
Changes in color vision with decreasing light level: separating the effects of normal aging from disease.
Evgenia Konstantakopoulou; Marisa Rodriguez-Carmona; John L Barbur
Processing of color signals in female carriers of color vision deficiency.
Marisa Rodriguez-Carmona; Matilda O'Neill-Biba; John L Barbur
Assessing the severity of color vision loss with implications for aviation and other occupational environments.

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All Publications

2012: John L Barbur; Evgenia Konstantakopoulou
Changes in color vision with decreasing light level: separating the effects of normal aging from disease.
Journal of the Optical Society of America. A, Optics, image science, and vision 2012;29(2):A27-35.
2012: Evgenia Konstantakopoulou; Marisa Rodriguez-Carmona; John L Barbur
Processing of color signals in female carriers of color vision deficiency.
Journal of vision 2012;12(2):.
2012: Marisa Rodriguez-Carmona; Matilda O'Neill-Biba; John L Barbur
Assessing the severity of color vision loss with implications for aviation and other occupational environments.
Aviation, space, and environmental medicine 2012;83(1):19-29.
2010: M O'Neill-Biba; S Sivaprasad; Marisa Rodriguez-Carmona; J E Wolf; John L Barbur
Loss of chromatic sensitivity in AMD and diabetes: a comparative study.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2010;30(5):705-16.
2010: John L Barbur; E Konstantakopoulou; Marisa Rodriguez-Carmona; J Alister Harlow; Anthony G Robson; Jack D Moreland
The Macular Assessment Profile test - a new VDU-based technique for measuring the spatial distribution of the macular pigment, lens density and rapid flicker sensitivity.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2010;30(5):470-83.
2010: David P Crabb; Nicholas D Smith; Franziska Rauscher; Catharine M Chisholm; John L Barbur; David F Edgar; David F Garway-Heath
Exploring eye movements in patients with glaucoma when viewing a driving scene.
PloS one 2010;5(3):e9710.
2009: Desmond M Connolly; John L Barbur
Low contrast acuity at photopic and mesopic luminance under mild hypoxia, normoxia, and hyperoxia.
Aviation, space, and environmental medicine 2009;80(11):933-40.
2008: John L Barbur; Marisa Rodriguez-Carmona; J Alister Harlow; K Mancuso; J Neitz; M Neitz
A study of unusual Rayleigh matches in deutan deficiency.
Visual neuroscience 2008;25(3):507-16.
2008: M Rodríguez-Carmona; L T Sharpe; J Alister Harlow; John L Barbur
Sex-related differences in chromatic sensitivity.
Visual neuroscience 2008;25(3):433-40.
2008: John L Barbur; Karoline Spang
Colour constancy and conscious perception of changes of illuminant.
Neuropsychologia 2008;46(3):853-63.
2008: Desmond M Connolly; John L Barbur; Sarah L Hosking; Ian R Moorhead
Mild hypoxia impairs chromatic sensitivity in the mesopic range.
Investigative ophthalmology & visual science 2008;49(2):820-7.
2008: C M Chisholm; Franziska Rauscher; D C Crabb; Leon N Davies; Mark C M Dunne; David F Edgar; J Alister Harlow; M James-Galton; Axel Petzold; G T Plant; A C Viswanathan; G J Underwood; John L Barbur
Assessing visual fields for driving in patients with paracentral scotomata.
The British journal of ophthalmology 2008;92(2):225-30.
2007: S I Moro; Marisa Rodriguez-Carmona; E C Frost; G T Plant; John L Barbur
Recovery of vision and pupil responses in optic neuritis and multiple sclerosis.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2007;27(5):451-60.
2006: Helen C Walkey; J Alister Harlow; John L Barbur
Characterising mesopic spectral sensitivity from reaction times.
Vision research 2006;46(25):4232-43.
2006: Jessica Kvansakul; Marisa Rodriguez-Carmona; David F Edgar; Felix M Barker; Wolfgang Köpcke; Wolfgang Schalch; John L Barbur
Supplementation with the carotenoids lutein or zeaxanthin improves human visual performance.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2006;26(4):362-71.
2006: Helen C Walkey; J Alister Harlow; John L Barbur
Changes in reaction time and search time with background luminance in the mesopic range.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2006;26(3):288-99.
2006: Helen C Walkey; John L Barbur
Guest editorial: Shedding new light on the twilight zone.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2006;26(3):223-4.
2006: Marisa Rodriguez-Carmona; Jessica Kvansakul; J Alister Harlow; Wolfgang Köpcke; Wolfgang Schalch; John L Barbur
The effects of supplementation with lutein and/or zeaxanthin on human macular pigment density and colour vision.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 2006;26(2):137-47.
2005: Theresa J Squire; Marisa Rodriguez-Carmona; Anthony D B Evans; John L Barbur
Color vision tests for aviation: comparison of the anomaloscope and three lantern types.
Aviation, space, and environmental medicine 2005;76(5):421-9.
2005: Helen C Walkey; John L Barbur; J Alister Harlow; Antony Hurden; Ian R Moorhead; Julie A F Taylor
Effective contrast of colored stimuli in the mesopic range: a metric for perceived contrast based on achromatic luminance contrast.
Journal of the Optical Society of America. A, Optics, image science, and vision 2005;22(1):17-28.
2004: John L Barbur; S Moro; J Alister Harlow; Byron Lam; M Liu
Comparison of pupil responses to luminance and colour in severe optic neuritis.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2004;115(11):2650-8.
2004: Darryl A de Cunha; Leila H Eadie; John L Barbur; David J Hawkes; Alexander M Seifalian
The effect of image colour distortion on evaluation of donor liver suitability for transplantation.
Computers in biology and medicine 2004;34(7):615-32.
2004: John L Barbur
'Double-blindsight' revealed through the processing of color and luminance contrast defined motion signals.
Progress in brain research 2004;144():243-59.
2003: Catharine M Chisholm; Anthony D B Evans; J Alister Harlow; John L Barbur
New test to assess pilot's vision following refractive surgery.
Aviation, space, and environmental medicine 2003;74(5):551-9.
2002: Barbara Wilhelm; Helmut Wilhelm; Sancho Moro; John L Barbur
Pupil response components: studies in patients with Parinaud's syndrome.
Brain : a journal of neurology 2002;125(Pt 10):2296-307.
2002: John L Barbur; Neville B Prescott; Ron H Douglas; John R Jarvis; Christopher M Wathes
A comparative study of stimulus-specific pupil responses in the domestic fowl (Gallus gallus domesticus) and the human.
Vision research 2002;42(2):249-55.
1999: John L Barbur; Lawrence Weiskrantz; J Alister Harlow
The unseen color aftereffect of an unseen stimulus: insight from blindsight into mechanisms of color afterimages.
Proceedings of the National Academy of Sciences of the United States of America 1999;96(20):11637-41.
1999: Lawrence Weiskrantz; Alan Cowey; John L Barbur
Differential pupillary constriction and awareness in the absence of striate cortex.
Brain : a journal of neurology 1999;122 ( Pt 8)():1533-8.
1998: John L Barbur; J Wolf; P Lennie
Visual processing levels revealed by response latencies to changes in different visual attributes.
Proceedings. Biological sciences / The Royal Society 1998;265(1412):2321-5.
1998: John L Barbur; Arash Sahraie; Andrew Simmons; Lawrence Weiskrantz; S C Williams
Residual processing of chromatic signals in the absence of a geniculostriate projection.
Vision research 1998;38(21):3447-53.
1998: John L Barbur; Arash Sahraie; Andrew Simmons; Lawrence Weiskrantz; S C Williams
Residual processing of chromatic signals in the absence of a geniculostriate projection.
Vision research 1998;38(21):3347-53.
1998: Arash Sahraie; Lawrence Weiskrantz; John L Barbur
Awareness and confidence ratings in motion perception without geniculo-striate projection.
Behavioural brain research 1998;96(1-2):71-7.
1998: M L Hennelly; John L Barbur; David F Edgar; E Geoffrey Woodward
The effect of age on the light scattering characteristics of the eye.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 1998;18(2):197-203.
1997: Arash Sahraie; Lawrence Weiskrantz; John L Barbur; Andrew Simmons; S C Williams; M J Brammer
Pattern of neuronal activity associated with conscious and unconscious processing of visual signals.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(17):9406-11.
1997: Arash Sahraie; John L Barbur
Pupil response triggered by the onset of coherent motion.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie 1997;235(8):494-500.
1996: Arash Sahraie; John L Barbur; David F Edgar; Lawrence Weiskrantz
Motion discrimination of single targets: comparison of preliminary findings in normal subjects and patients with glaucoma.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie 1996;234(9):553-60.
1995: Lawrence Weiskrantz; John L Barbur; Arash Sahraie
Parameters affecting conscious versus unconscious visual discrimination with damage to the visual cortex (V1).
Proceedings of the National Academy of Sciences of the United States of America 1995;92(13):6122-6.
1994: John L Barbur; A J Harlow; G T Plant
Insights into the different exploits of colour in the visual cortex.
Proceedings. Biological sciences / The Royal Society 1994;258(1353):327-34.
1994: John L Barbur; R F Hess; H D Pinney
Pupillary function in human amblyopia.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 1994;14(2):139-49.
1994: John L Barbur; A J Harlow; Lawrence Weiskrantz
Spatial and temporal response properties of residual vision in a case of hemianopia.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences 1994;343(1304):157-66.
1993: John L Barbur; J D Watson; Richard S J Frackowiak; S Zeki
Conscious visual perception without V1.
Brain : a journal of neurology 1993;116 ( Pt 6)():1293-302.
1992: John L Barbur; A J Harlow; Arash Sahraie
Pupillary responses to stimulus structure, colour and movement.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 1992;12(2):137-41.
1992: J Birch; John L Barbur; A J Harlow
New method based on random luminance masking for measuring isochromatic zones using high resolution colour displays.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 1992;12(2):133-6.
1991: Lawrence Weiskrantz; A Harlow; John L Barbur
Factors affecting visual sensitivity in a hemianopic subject.
Brain : a journal of neurology 1991;114 ( Pt 5)():2269-82.
1988: John L Barbur; P M Forsyth; J M Findlay
Human saccadic eye movements in the absence of the geniculocalcarine projection.
Brain : a journal of neurology 1988;111 ( Pt 1)():63-82.
1987: John L Barbur; W D Thomson
Pupil response as an objective measure of visual acuity.
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) 1987;7(4):425-9.