Results 21 to 30 of about 2,761,068 (245)

The influence of color vision deficiency on vessel visibility during colorectal endoscopic submucosal dissection and the potential advantage of red dichromatic imaging to achieve color vision barrier‐free [PDF]

DEN Open
Objectives Although color information is important in gastrointestinal endoscopy, there are limited studies on how endoscopic images are viewed by people with color vision deficiency.
Akiko Ohno, Naohiko Miyamoto, Ryosuke Kaji, Takahiro Shirakawa, Moegi Watanabe, Ryutaro Sumi, Yoko Jinbo, Mitsunori Kusuhara, Jun Miyoshi, Tadakazu Hisamatsu   +9 more
doaj   +2 more sources

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

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   +2 more sources

The prevalence of color vision deficiency in the northeast of Iran. [PDF]

J Curr Ophthalmol, 2019
To determine the prevalence of color vision deficiency (CVD) in the northeast of Iran.This cross-sectional, population-based study was conducted in Mashhad, in the northeast of Iran. Multistage cluster sampling was used for selecting the participants. After preliminary screening, the subjects underwent a complete ophthalmic examination. The examination
Hashemi H, Khabazkhoob M, Pakzad R, Yekta A, Heravian J, Nabovati P, Ostadimoghaddam H.   +6 more
europepmc   +4 more sources

Region-based Skin Color Detection. [PDF]

, 2012
Skin color provides a powerful cue for complex computer vision applications. Although skin color detection has been an active research area for decades, the mainstream technology is based on the individual pixels. This paper presents a new region-based
Poudel, R.P.K., Zhang, Jian J., Nait-Charif, H., Liu, D.   +3 more
core   +9 more sources

Prevalence of color-vision deficiency among male high-school students

Philippine Journal of Ophthalmology, 2010
Objective: This study determined the prevalence of color-vision deficiency among male high-school students in a public school. Methods: Male high-school students were screened for color-vision deficiency using 6 plates of the Ishihara ...
Emerson M. Cruz, MD, Herma Grace S. Cerdana, MD, Ann Margaret B. Cabrera, MD, Chanda B. Garcia, MD, Evelyn T. Santos-Morabe, MD, Ma. Lourdes R. Nañagas, MD   +5 more
doaj   +1 more source

New-generation of PDMS-based Lenses for Color Blindness management [PDF]

International Journal of Biophotonics and Biomedical Engineering, 2022
Being a Color blindness or color vision deficiency (CVD) is a type of ocular disorder that prevents the recognizing the special colors. Until now, the certain cure for CVD has not been discovered.
Seyedeh Mehri Hamidi, neda Roostaei
doaj   +1 more source

Prevalence of color vision deficiency among primary school pupils in Duhok city, Kurdistan Region, Iraq

Advanced Medical Journal, 2022
Background and objectives: Color vision deficiency or color blindness is a difficulty in recognizing certain colors. The color vision deficient persons remain unmindful about their condition and only become aware accidentally when tested for color ...
Azad Jameel Hussein, Samim Ahmed Al-Dabbagh   +1 more
doaj   +1 more source

Little information loss with red-green color deficient vision in natural environments

iScience, 2023
Summary: Inherited color vision deficiency affects red-green discrimination in about one in twelve men from European populations. Its effects have been studied mainly in primitive foraging but also in detecting blushing and breaking camouflage. Yet there
David H. Foster, Sérgio M.C. Nascimento
doaj   +1 more source

ColourSpot, a novel gamified tablet-based test for accurate diagnosis of color vision deficiency in young children. [PDF]

Behav Res Methods, 2022
There is a need for a straightforward, accessible and accurate pediatric test for color vision deficiency (CVD). We present and evaluate ColourSpot, a self-administered, gamified and color calibrated tablet-based app, which diagnoses CVD from age 4 ...
Tang T, Álvaro L, Alvarez J, Maule J, Skelton A, Franklin A, Bosten J.   +6 more
europepmc   +2 more sources

Evaluation of acquired color vision deficiency in retinal vein occlusion using the Rabin cone contrast test.

, 2021
Purpose: To investigate acquired color vision deficiency (CVD) using the Rabin cone contrast test (RCCT) in patients with retinal vein occlusion (RVO).Methods: We retrospectively evaluated 39 patients with macular edema due to RVO who were treated with ...
0000-0001-9645-3837, 松本, 理子, SAISHIN, Yoshitsugu, 西信, 良嗣, 0000-0002-9650-9535, 大路, 正人, 8491, OHJI, Masahito, 3728, MATSUMOTO, Riko, 6625, 90252650, 30379193   +12 more
core   +1 more source