| Subject | English | German |
| opt. | increase of visual angle | Vergrößerung des Sehwinkels (spreading out of the image of the object on the retina of the eye) |
| med. | visual angle | Sehwinkel |
| tech. | visual angle | Sichtwinkel |
| opt. | visual angle | Sehwinkel (angle subtended at the eye of the observer) |
| opt. | visual angle | Blickwinkel (angle subtended at the eye of the observer) |
| tech. | visual angle | Blickwinkel |
| gen. | visual angle | Gesichtswinkel |