"6/6 vision is defined as the ability to resolve two points of light separated by a visual angle of one minute of arc, or about 320–286 pixels per inch for a display on a device held 25 to 30 cm from the eye."
Around 200 PPI seems ideal, with good margin, for typical laptop screen viewing distance (50…60 cm). Empirical test with my 15" Retina Macbook confirms this: I have to put my face impractical close to screen before sharp edges (e.g. in letters) start to look soft.
Around 200 PPI seems ideal, with good margin, for typical laptop screen viewing distance (50…60 cm). Empirical test with my 15" Retina Macbook confirms this: I have to put my face impractical close to screen before sharp edges (e.g. in letters) start to look soft.
https://en.wikipedia.org/wiki/Visual_acuity