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Fundus photography of OD (above) and OS (below), with corresponding OCT of the GCL and RNFL. OD shows neuroretinal rim thinning characteristics in glaucoma, as well as thinning of the GCL and RNFL when compared with OS. GCL, ganglion cell layer; OCT, optical coherence tomography; RNFL, retinal nerve fibre layer.
