Results 31 to 40 of about 418,235 (181)

Tests for Colour-Blindness [PDF]

Nature, 1895
WITH reference to the article on colour-blindness in NATURE of January 27, I should like to point out that advocates of the Holmgren test assume that a person who fails with the wools will fail with coloured lights, and that a person who appears normal when examined with the wools is normal when examined with coloured lights.
openaire   +2 more sources

A novel image quality assessment method and coefficient of quality for digital solutions of colour blindness

IET Image Processing, 2022
Eyesight is one of the primary senses that human beings have. Reports show that colour blindness, a form of colour vision deficiency (CVD), affects about 8% of the male population and 0.5% of female population.
Meenakshi S, Anshu Singla
doaj   +1 more source

Colour Blindness Among Male Professional Drivers: A Cross-sectional Study In Karachi

Journal of Bahria University Medical and Dental College, 2019
Objective: To determine the frequency of color blindness among male professional drivers of Karachi- Pakistan and the difficulties they experience while driving. Study Design and Setting: A cross-sectional study was conducted aomng 300 male drivers with
Samira Faiz, Sehrish Zehra, Farhan Qureshi, Seema Mumtaz   +3 more
doaj   +1 more source

Rereading Afropean Identities through Espérance Hakuzwimana’s Tutta intera

Il Tolomeo, 2023
This article investigates the term ‘Afropean’ through an analysis of Espérance Hakuzwimana’s debut novel Tutta intera (2022). It aims to show how the novel, far from losing sight of the national context as the term ‘Afropean’ implies, effectively ...
Medugno, Marco
doaj   +1 more source

Colour blindness and driving [PDF]

Clinical and Experimental Optometry, 2016
Road traffic signals use a red, green and yellow colour code and we know that persons with abnormal colour vision can confuse these colours.
openaire   +2 more sources

Blindness incidence in Germany - A population-based study from Württemberg-Hohenzollern [PDF]

, 1999
Few data on the incidence of blindness in Germany are available. We analysed causes of legal blindness for the region Württemberg-Hohenzollern (population 5.5 million) in order to help fill in this gap.
Mickler, A., Klauss, V., Krumpaszky, H. G., Lüdtke, R., Selbmann, H. K.   +4 more
core   +1 more source

Non-visual colour: A qualitative study of how the totally blind and an achromatope navigate colour in the sighted world

Acta Psychologica
Colour plays an important role in the sighted world, not only by guiding and warning, but also by helping to make decisions, form opinions, and influence emotional landscape.
Domicele Jonauskaite, Nina Gierlinger, Klara Geiger, Claudia Busse, Aline Frick, Christine Mohr, Helmut Leder   +6 more
doaj   +1 more source

Prevalence and population genetic data of colour vision deficiency among students from selected tertiary institutions in Lagos State, Nigeria

Egyptian Journal of Medical Human Genetics, 2022
Background Colour vision deficiency (CVD), also referred to as colour blindness, is the failure or decreased ability to distinguish between certain colours under normal lighting conditions.
Samson Taiwo Fakorede, Lydia Gift Akpan, Khalid Olajide Adekoya, Bola Oboh   +3 more
doaj   +1 more source

Causes of childhood blindness in the northeastern states of India. [PDF]

, 2008
BACKGROUND: The northeastern region (NER) of India is geographically isolated and ethno-culturally different from the rest of the country. There is lacuna regarding the data on causes of blindness and severe visual impairment in children from this region.
Guha, Kamalesh, Gilbert, Clare, Borah, Rishi Raj, Das, Kalyan, Gogate, Parikshit, Purukayastha, S, Bhattacharjee, Harsha   +6 more
core   +1 more source

Prevalence of color vision deficiency among school children in Wolkite, Southern Ethiopia

BMC Research Notes, 2018
Objective Colour vision deficiency is the commonest disorders of vision and undiagnosed colour vision defect could pose a handicap to the performance of an affected student.
Gashaw Garedew Woldeamanuel, Teshome Gensa Geta   +1 more
doaj   +1 more source