Pixel density: Difference between revisions
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==Pixel density in Virtual Reality== | ==Pixel density in Virtual Reality== | ||
[[Virtual Reality#Devices|Virtual reality head-mounted displays]] require high pixel density because the screen is very close to the user's eyes. Higher PPI leads to clearer, sharper images with more details. An [[HMD]] with low pixel density can cause blurring of words and objects, presence of pixelation and the | [[Virtual Reality#Devices|Virtual reality head-mounted displays]] require high pixel density because the screen is very close to the user's eyes. Higher PPI leads to clearer, sharper images with more details. An [[HMD]] with low pixel density can cause blurring of words and objects, presence of pixelation and the [[screen door effect]]. PPI is an important parameter when considering HMDs. | ||
As pixel density increases, lower [[persistence]] is needed to avoid blurring. | As pixel density increases, lower [[persistence]] is needed to avoid blurring. | ||