# screenImageDimension The image resolution of the currently presented image, in pixels. ``` var screenImageDimension: SIMD2 { get } ``` ## Discussion The meaning of this resolution depends on the current viewing mode: - In monoscopic viewing modes, this property returns the size of the monoscopic image - In spatial stereo viewing modes, this property returns the size of each image in the spatial stereo pair - In spatial 3D viewing modes, this property returns the size of the monoscopic image used to generate the spatial 3D resource This property has the format `[width, height]` in pixels. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)