Systems and methods for operating a screen of a head mounted display includes executing a program. The execution of the program causes rendering of images on the screen of the HMD. The screen renders the images using a first optical setting. A first image is presented on the screen. The first image has a first size and is presented at a distance. Input is received identifying a clarity level for the first image. A second image is presented on the screen. The second image has a second size and the distance. Input is received identifying the clarity level for the second image. Based on the clarity level received for the first and the second images, the first optical setting for the screen is changed to a second optical setting.
