If you're looking for information on a specific topic related to 3D modeling, anime characters (Megumi Shino doesn't directly match known characters without more context), or video content (like a music video or a 3D animation), here are some general insights:
In this format, the video frame is split into two halves horizontally. The left eye image and the right eye image are squeezed to fit into a single standard 1080p frame resolution (1920x1080 pixels).