visual malfunction
[ˈvɪʒuəl mælˈfʌŋkʃən]
nounpl: visual malfunctions
mau funcionamento visual
1. A failure or defect in the ability to see or in visual perception
The patient experienced a visual malfunction after the accident.
O paciente experimentou um mau funcionamento visual após o acidente.
2. A technical failure in a visual display device or optical system
The monitor's visual malfunction required immediate repair.
O mau funcionamento visual do monitor exigiu reparo imediato.
3. An interruption or distortion in visual information processing
A visual malfunction in the system caused the display to freeze.
Um mau funcionamento visual no sistema causou o congelamento da tela.
In Brazilian medical and technical contexts, 'mau funcionamento visual' is the standard term used in hospitals, optometry clinics, and tech support. In Portugal, the distinction between 'avaria' (for technical) and 'disfunção' (for medical/biological) is more pronounced. The term is relatively formal and clinical in both countries.
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