The number of photoreceptors per RPE cell in mouse and human eyes.

<p>This cell ratio differed at different eccentricities in both mouse strains (<i>P</i> < 0.0001; Tukey’s test). The human data are from Osterberg [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0125631#pone.0125631.ref038" target="_blank">38</a>] and Ts’o and Friedman [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0125631#pone.0125631.ref039" target="_blank">39</a>].</p>