twenty-twenty

• Substantiv, das die normale Sehschärfe bezeichnet, gemessen an der Fähigkeit, Standard-Sehtafeln aus einer Entfernung von 20 Fuß zu lesen. Im übertragenen Sinne auch für perfekte oder hundertprozentige Sehkraft.

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

unzählbar

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.

   normale Sehschärfe

   • 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.