Reading https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908311/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908311/, it can take half a second (for the oldest a

Reading https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908311/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908311/, it can take half a second (for the oldest age group, in the dark) before an eye even starts to accommodate and, if I’m interpreting RTI correctly, easily another half a second to accommodate. Makes me wonder how sharp an image one needs to see in the rear view mirror to drive. Or do drivers really look to such a screen for over a second while driving? And of course, getting rid of the front window, too, would get rid of the accommodation issue, but I do not see that being accepted by car drivers soon.