functional visual loss


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func·tion·al vis·u·al loss

an apparent loss of visual acuity or visual field with no substantiating physical signs; often due to a natural concern about visual loss combined with suggestibility and a fear of the worst; best treated with reassurance.
Farlex Partner Medical Dictionary © Farlex 2012

functional visual loss

A reduction in vision with no identifiable lesion of the visual pathways. It may be caused by an occult disease of the eye or of the optical centers in the brain. It may also occur in certain psychiatric disorders.
See also: loss
Medical Dictionary, © 2009 Farlex and Partners

functional visual loss

Reduced vision experienced by an individual, but which is not based on objective measurements that could explain the symptom. See hysterical amblyopia; malingering.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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