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ANOMALOSCOPY

ANOMALOSCOPE EXAMINATION

  • In order to perform anomaloscopy in our Institution, it is necessary to book it by phone on 01/4639-103
  • Examination price: HRK 300.00

Colour differentiation disorders rarely cause problems in everyday life, but they can certainly influence the selection of occupations that require excellent colour recognition – such as various occupations in transport (road, maritime and aviation), electrical and computer engineering, geology, mining, chemical and petroleum technology, construction, and many others.

Colour vision testing in occupational medicine is an integral part of the visual ability test, and for this purpose, the Ishihara colour recognition test is standardly (routinely) used, which is strictly selective and discrediting and not completely accurate.

Spectrophotometer-based devices are used to accurately determine colour vision.

Anomaloscopy (Greek: anomalos irregular, skopeo to observe) is a method of examining colour vision anomalies, that is, colour recognition defects. It is performed on a spectrophotometer device (anomaloscope) by the equalization method.

According to the clinical picture, we divided the colour blindness into complete and partial. Complete is much rarer than partial. The two main types of colour blindness are: difficult to distinguish between red and green, and difficult to distinguish between blue and yellow.

Rainbow colours as seen by a person with normal colour vision

Rainbow colours as seen by a person with protanopia (colour differentiation disorder in the green-yellow-red part of the spectrum, with reduced sensitivity to red)

Rainbow colours as seen by a person with deuteranopia (impaired colour differentiation in the green-yellow-red part of the spectrum, with reduced sensitivity to green)

Colour lengths as seen by a person with tritanopia (less colour differentiation in the blue-yellow part of the spectrum)

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