acuidade
1. Sharpness or keenness of vision, hearing, or thought; the quality of being acute or intense
The eagle's visual acuity allows it to spot prey from great distances.
A acuidade visual da águia permite que ela aviste presas de grandes distâncias.
2. The ability to think or understand things quickly and clearly; mental sharpness
Her intellectual acuity made her an excellent problem solver.
Sua acuidade intelectual a tornou uma excelente solucionadora de problemas.
3. The quality of being sharp or severe in effect
The acuity of the pain subsided after taking medication.
A acuidade da dor diminuiu após tomar medicamento.
In Brazil, 'acuidade visual' is the standard medical term used in optometry and ophthalmology. The word is formal and commonly used in professional, academic, and medical contexts. Americans often use 'acuity' when discussing medical examinations or intellectual capabilities, whereas in Brazil, the concept is equally important in professional evaluations and medical assessments.
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