Fig. 41. Retinal nerve fiber layer in glaucoma. A curved wedge (between the broad arrows) represents the loss of nerve fiber bundles corresponding to a sector of the disc marked by a splinter hemorrhage (small curved arrow). (Airaksinen PJ. Mustonen E. Alanko HI: Optic disc hemorrhages precede retinal nerve fiber layer defects in ocular hypertension. Acta Ophthalmol 59:627, 1981.)