New Farnsworth-Munsell 100 hue test norms of normal observers for each year of age 5-22 and for age decades 30-70

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New Farnsworth-Munsell 100 hue test norms of normal observers for each year of age 5-22 and for age decades 30-70.

AIMS To provide normative data for chromatic discrimination on the Farnsworth-Munsell 100 hue test particularly for observers under 23 years of age. METHODS Normal observers were screened for congenital colour vision deficiencies using the Ishihara test leaving 382 observers. RESULTS New total error score (TES) norms (means and 95th percentiles) are presented for each year of age from 5-22 ...

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Skewness and transformations of Farnsworth–Munsell 100-Hue Test scores

In the past, suggested transformations of Farnsworth-Munsell 100-Hue Test (FM 100-Hue) test scores distributions have been limited to a square root transformation. In this study, the choice of transformations of total error scores (TES) are considered by identifying a possible source of skewness. Several distributions of FM100-Hue Test TES were assessed for skewness (third moment). The error sc...

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Age and illuminance effects in the Farnsworth-Munsell 100-hue test.

Seventy-five normal volunteers (20-78 yr) were tested on the Farnsworth-Munsell 100-hue test at each of five illuminance levels. Each cap score distribution was analyzed by fitting a two-cycle sine wave whose amplitude and phase characterize the polarity of the error distribution and its axis. Analysis of these parameters reveals a similarity between tritanlike defects in older groups and those...

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Colour perception in pathologists: the Farnsworth-Munsell 100-hue test.

The value of many histological stains depends on the ability of the observer to differentiate colour. This ability was assessed in 30 histopathologists and cytopathologists of varying experience using the Farnsworth-Munsell 100-hue test. As a group, the pathologists performed better than a reference population. Twenty eight subjects showed a wide ranging ability to differentiate colour: none wa...

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Generating fast automated reports for the Farnsworth- Munsell 100-hue colour vision test

The greatest quality of the Farnsworth-Munsell (FM) 100-hue test is that it is able to indicate the presence of visual defects at early stages, so making it more widely available means more people can be saved from going blind or having their eyesight degenerate due to disease. However, the FM test is not used as often as its merits would warrant because of its main drawback – the extensive amo...

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ژورنال

عنوان ژورنال: British Journal of Ophthalmology

سال: 2002

ISSN: 0007-1161

DOI: 10.1136/bjo.86.12.1408