Tài liệu tham khảo bằng tiếng Anh về hội họa - Norling Perspective Made Easy - Phần 2 | STEP TWO THE EYE-LEVEL AND ITS RELATIONSHIP TO PERSPECTIVE DRAWING THE EYE-LEVEL IS ALWAYS REPRESENTED BY A STRAIGHT LINE You are seated sketching the interior of your room. Someone makes a mark around the wall the same height from the floor as your eyes. This mark will appear as a straight line across your drawing. It is the eye-level. Notice in the drawing that the visible horizon seen through the window is the same height as the eye-level mark on the wall. .