(LC) to elevated intraocular pressure (IOP) so as to identify possible mechanisms of optic
nerve damage in early glaucoma. Ten pairs of normal human eyes were fixed after 24 hours'
exposure to 50 mm Hg pressure (experimental eyes) or 5 mm Hg pressure (contralateral
control eyes). Photomicrographs of the central region of the optic nerve head (ONH) were
taken to examine the LC morphologically and to measure the dimensions of the LC. It was …