Histophotograph showing the optic nerve head of a non-highly myopic eyes with the peripapillary arterial circle of Zinn-Haller (red arrows), located at the merging point of the dura mater (black arrows) with the scleral at the end of the peripapillary scleral flange (between green arrows), the pia mater (yellow arrows), and the peripapillary ring (white arrows).
<p>Histophotograph showing the optic nerve head of a non-highly myopic eyes with the peripapillary arterial circle of Zinn-Haller (red arrows), located at the merging point of the dura mater (black arrows) with the scleral at the end of the peripapillary scleral flange (between green arrows), the pia mater (yellow arrows), and the peripapillary ring (white arrows).</p
