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Visual symptoms associated with refractive errors among Thangka artists of Kathmandu valley.
BMC Ophthalmol
December 2017
BP Koirala Lions Center for Ophthalmic Studies, Maharajgunj Medical Campus, Institute of Medicine, Tribhuvan University, Maharajgunj, Kathmandu, Nepal.
Background: Prolong near work, especially among people with uncorrected refractive error is considered a potential source of visual symptoms. The present study aims to determine the visual symptoms and the association of those with refractive errors among Thangka artists.
Methods: In a descriptive cross-sectional study, 242 (46.
Neuronal mechanisms underlying differences in spatial resolution between darks and lights in human vision.
J Vis
December 2017
Department of Biological and Visual Sciences, State University of New York College of Optometry, New York, NY, USA.
Artists and astronomers noticed centuries ago that humans perceive dark features in an image differently from light ones; however, the neuronal mechanisms underlying these dark/light asymmetries remained unknown. Based on computational modeling of neuronal responses, we have previously proposed that such perceptual dark/light asymmetries originate from a luminance/response saturation within the ON retinal pathway. Consistent with this prediction, here we show that stimulus conditions that increase ON luminance/response saturation (e.
View Article and Find Full Text PDFVision, eye disease, and art: 2015 Keeler Lecture.
Eye (Lond)
February 2016
Department of Ophthalmology and Byers Eye Institute, Stanford University School of Medicine, Palo Alto, CA, USA.
The purpose of this study was to examine normal vision and eye disease in relation to art. Ophthalmology cannot explain art, but vision is a tool for artists and its normal and abnormal characteristics may influence what an artist can do. The retina codes for contrast, and the impact of this is evident throughout art history from Asian brush painting, to Renaissance chiaroscuro, to Op Art.
View Article and Find Full Text PDFMyopic artists.
Acta Ophthalmol Scand
June 2004
Department of Ophthalmology, County Hospital Ryhov, Jönköping, Sweden.
Background: Many authors have wondered if an artist "sees" things differently because of a vision disorder. For example, if a famous artist has a color deficiency, what would the effect be on his paintings? Would a painting be affected by a cataractous eye--or by presbyopia--or by diabetic retinopathy? Such questions have always interested the eye and vision specialist.
Methods/results: A 1970 book entitled The World Through Blunted Sight, written by British ophthalmologist Patrick Trevor-Roper, attempts to answer those questions.
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