purpose: to evaluate color vision in patients with type ii diabetes mellitus without diabetic retinopathy and compare the results with those of age- and sex- matched normal individuals. methods: this descriptive, comparative study was conducted on 100 diabetic patients without any sign of retinopathy and 100 age- and sex-matched normal subjects. color vision was evaluated using ishihara and far...

color -blindness is the inability to perceive differences between some color that other people can distinguish. using a literature search , the results indicate the prevalence of color vision deficiency in the medical profession and its on medical skills. medical laboratory technicians and technologists employees should also screen for color blindness. this research aimed to study color blindne...

A 24-year-old man acquired a color vision defect shortly after an accident in which he struck the back of his head. Results of the Farnsworth-Munsell 100-hue test showed that the patient had poor color discrimination in both eyes. His color matches on the Nagel anomaloscope suggested a red/green disturbance. Results from increment threshold testing demonstrated on absence of the blue mechanism....

Abstract As a core component of the Marine engine, crankshaft crank is required to have high surface quality ensure that ship does not fail during voyage. After analysing defect characteristics, aiming at problems such as inaccurate detection single feature in bend defect, which leads poor effect, classification method based on machine vision was proposed. The recognition accuracy can reach 97....

Background: Many people are affected by color blindness but most of them remain undetected as they simply adapt to the environment to certain extent and some remain unaware of the disease. Objective: To find out the prevalence rate of color blindness in students of ages 6 years to 15 years, in various schools of Jalandhar. Methods: A prospective study was done on 3259 students to identify the p...