Retina Neuroscientist confirms Apple's Retina Display claims

It seems that Apple didn’t lie when claiming, the Retina Display, built-into the iPhone 4, has higher resolution than the human eye can resolve:

Dr. Curcio et. al. calculated 77 cycles/degree or .78 arcminutes/cycle of *retinal* resolution. However, this does not take into account the optics of the system which degrade image quality somewhat giving a commonly accepted resolution of 1 arcminute/cycle.  So, if a normal human eye can discriminate two points separated by 1 arcminute/cycle at a distance of a foot, we should be able to discriminate two points 89 micrometers apart which would work out to about 287 pixels per inch.  Since the iPhone 4G display is comfortably higher than that measure at 326 pixels per inch, I’d find Apple’s claims stand up to what the human eye can perceive.

I urge you to read the entire article by Bryan Jones, he very comprehensibly illustrates the difficulties in measuring these things and shows the differences between the displays of the first generation iPhone, the iPhone 3G, the iPad and the iPhone 4.

found on Daring Fireball