twenty-twenty

• Substantivo que designa a acuidade visual normal, medida pela capacidade de ler a tabela de Snellen a uma distância de 20 pés (aproximadamente 6 metros).

A noun referring to normal visual acuity, measured by the ability to read standard eye charts from a distance of 20 feet.

incontável

1. Normal visual acuityB2formal

   A standard measure of visual clarity, indicating the ability to see at 20 feet what a person with normal vision can see at that distance.

   Acuidade visual normal

   • The eye exam showed that she has twenty-twenty vision.
   • He was proud of his twenty-twenty eyesight.
   • Pilots are required to have twenty-twenty vision.