Results 11 to 20 of about 339 (206)

Functional Defects in Color Vision in Patients With Choroideremia [PDF]

American Journal of Ophthalmology, 2015
To characterize defects in color vision in patients with choroideremia.Prospective cohort study.Thirty patients with choroideremia (41 eyes) and 10 age-matched male controls (19 eyes) with visual acuity of ≥6/36 attending outpatient clinics in Oxford Eye Hospital underwent color vision testing with the Farnsworth-Munsell 100 hue test, visual acuity ...
Jolly, J, Groppe, M, Birks, J, Downes, S, MacLaren, R   +4 more
openaire   +2 more sources

A Novel Smartphone-Based Color Test for Detection of Color Vision Defects in Age Related Macular Degeneration

Journal of Ophthalmology, 2022
Purpose. To evaluate the efficacy of the smartphone-based K-color test to detect color defects in patients with Age-related Macular Degeneration (AMD). Methods.
Vassilios Karampatakis, Diamantis Almaliotis, Leonidas Karamitopoulos, George Kalliris, Stavroula Almpanidou   +4 more
doaj   +1 more source

ASSESSMENT OF COLOR VISION FOR DIAGNOSIS AND DYNAMIC MONITORING OF MULTIPLE SCLEROSIS

Alʹmanah Kliničeskoj Mediciny, 2016
Background: Multiple sclerosis is regarded as the most frequent cause of neurological disability. Visual disturbances are common and may be due to pathology of retina, optic nerve and cerebral conduction tracts (optic tract).
N. V. Kuchina, T. I. Yakushina, S. V. Kotov, D. G. Lapitan, O. M. Andryukhina, A. A. Ryabtseva   +5 more
doaj   +1 more source

The Influence of the Extent of Color-Vision Deficiency on Shade-Matching Ability

Acta Stomatologica Croatica, 2019
Objective: To evaluate the influence of the extent of color-vision deficiency on visual shade-matching ability. Materials and methods: Six groups were investigated: the control group (N = 68), the protan medium deficiency (PMED) group (N = 5), the protan
Boštjan Pohlen, Marko Hawlina, Igor Kopač   +2 more
doaj   +1 more source

Prevalence and awareness levels of color blindness among students of faculty of dentistry and dental prosthesis technology program

European Oral Research, 2022
Purpose The aim of this study was to evaluate the prevalence and awareness levels of color blindness among students in a faculty of dentistry and dental prosthesis technology program in two different universities.
Ayşe Seda Ataol, Gülfem Ergün
doaj   +1 more source

Bioelectric activity of the visual system in trichromats and color-blinds according to visual evoked potentials to achromatic and chromatic stimuli

Journal of Ophthalmology, 2017
Background. Psychophysical methods, the most known of which are polychromatic tables and spectral anomaloscope study, are used for diagnostics of color vision defects.
N.I.Khramenko, A.V. Ponomarchuk, S.B.Slobodianik   +2 more
doaj   +1 more source

EVALUATION OF COLOUR VISION DEFECTS USING D-15 IN RELATION WITH IRIS COLOUR AND PUPIL SIZE; A CROSS-SECTIONAL STUDY

Rehman Journal of Health Sciences
Introduction: Colour of iris is associated with race and may show hereditary patterns. In this context it may be associated with colour vision defects and size of pupil.
Muhammad Rashid, Ayesha Saleem, Muhammad Shaheer, Muhammad Moin, Ummara Rasheed, Asima Rafique   +5 more
doaj   +1 more source

Color weakness in congenital color perception deficiency of various degrees

Journal of Ophthalmology, 2018
Background: The prevalence of congenital color vision defects (CCVD) is reported to be approximately 8% in males and 0.5% in females, and, therefore, the use of optimal tests capable of diagnosing these defects early and accurately, and with all the ...
A.V. Ponomarchuk, N.I. Khramenko
doaj   +1 more source

A rare case of Vogt–Koyanagi–Harada disease presenting simultaneously with pituitary macroadenoma

Kerala Journal of Ophthalmology, 2022
A 45-year-old female presented with sudden painful loss of vision in both eyes of 1-week duration. Clinical findings and imaging studies suggested Vogt–Koyanagi–Harada (VKH) disease. She was started on systemic steroids.
Pradeep Kumar Panigrahi
doaj   +1 more source

The genetics of normal and defective color vision

Vision Research, 2011
The contributions of genetics research to the science of normal and defective color vision over the previous few decades are reviewed emphasizing the developments in the 25years since the last anniversary issue of Vision Research. Understanding of the biology underlying color vision has been vaulted forward through the application of the tools of ...
Neitz, Jay, Neitz, Maureen
openaire   +2 more sources