Fig. 2
From: Effects of posterior staphyloma on choroidal structure in myopic adults: a retrospective study
Choroidal thickness tomography among four groups. a Choroidal thickness at each quadrant. Ch, central of subfovea horizontally; Cv, central of subfovea vertically; N, nasal; T, temporal; S, superior; I, inferior. b Linear analysis of mean luminal thickness and choroidal thickness, c Linear analysis of mean stromal thickness and choroidal thickness. *P < 0.05, **P < 0.01 and ***P < 0.001 delegate significant difference among the four groups