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Achromatopsia: Introduction

Achromatopsia: Patients who have achromatopsia (sometimes called achromatopia) do not have normal "cone vision.". Although the term may refer to acquired disorders such as color agnosia and cerebral achromatopsia, it typically refers to an autosomal recessive congenital color vision disorder, the inability to perceive color AND to achieve satisfactory visual acuity at high light levels (typically exterior daylight). More detailed information about the symptoms, causes, and treatments of Achromatopsia is available below.

Symptoms of Achromatopsia

  • Colour blindness
  • Visualising colour as grey
  • Difficulty recognising faces (prosopagnosia)
  • Weakness of one side of body (hemiparesis)
  • Sensory loss of one side of body
  • more symptoms...»

Treatments for Achromatopsia

Home Diagnostic Testing

Home medical testing related to Achromatopsia:

Wrongly Diagnosed with Achromatopsia?

Achromatopsia: Related Patient Stories

Achromatopsia: Deaths

Read more about Deaths and Achromatopsia.

Achromatopsia: Complications

Read more about complications of Achromatopsia.

Causes of Achromatopsia

  • Malfunction of the retinal phototransduction pathway
  • Genetic causes of this are mutations in the cone cell cyclic nucleotide-gated ion channels CNGA3 (ACHM2) and CNGB3 (ACHM3) as well as the cone cell transducin, GNAT2 (ACHM4)
  • Acquired- Acquired achromatopsia/dyschromatopsia is a condition associated with damage to the diencephalon (primarily the thalamus of the mid brain) or the cerebral cortex (the new brain)
  • more causes...»

More information about causes of Achromatopsia:

Disease Topics Related To Achromatopsia

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Achromatopsia: Undiagnosed Conditions

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Achromatopsia: Research Doctors & Specialists

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Other doctor, physician and specialist research services:

Achromatopsia: Animations

Achromatopsia: Broader Related Topics

Achromatopsia Message Boards

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User Interactive Forums

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Definitions of Achromatopsia:

Severely deficient color perception, typically with monochromacy and reduced visual acuity. The atypical form can include normal visual acuity with pseudomonochromacy. - (Source - Diseases Database)


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