Analysis of information sources in references of the Wikipedia article "Retina display" in English language version.
...Soneira used the 0.6 arcmin resolution of the eye, but that's for perfect eyesight. Most people don't have perfect eyesight... A better number for a typical person is more like 1 arcmin resolution, not 0.6
Only about 35 percent of all adults have 20/20 vision without glasses, contact lenses or corrective surgery"...AND... "while you won't lose your 20/20 vision as you approach middle age, you will most likely lose your near vision
