Retinal nerve fiber layer.
D005902:Glaucoma, Open-Angle / Q000175:diagnosis*; D006801:Humans; D009412:Nerve Fibers / Q000473:pathology*; D009900:Optic Nerve / Q000473:pathology*; D010781:Photography / Q000379:methods*; D012160:Retina / Q000473:pathology*