1. The ability to see something without the use of mirrors, lenses, or other optical instruments; unobstructed sight
The surgeon had direct vision of the surgical field during the procedure.
O cirurgião tinha visão direta do campo cirúrgico durante o procedimento.
2. In medical contexts, observation of an anatomical structure with the naked eye or through an endoscope without intervening obstacles
Direct vision laryngoscopy allows the doctor to see the vocal cords clearly.
A laringoscopia de visão direta permite ao médico visualizar claramente as cordas vocais.
3. Viewing or observing something in a straightforward manner without intermediaries
The witness had direct vision of the accident from her window.
A testemunha tinha visão direta do acidente pela sua janela.