Glaucoma Clinical Trial
Official title:
SD-OCT Multimodal Analysis in GLaucoma
Glaucoma is the first cause of irreversible blindness worldwide with more than 60 millions
people affected in 2010. It is defined as a neurodegenerative disease characterized by a
progressive loss of retinal ganglion cells (RGC), visual field deterioration and optic nerve
excavation. Intraocular pressure (IOP) is the most common risk factor. Despite its severity,
its impact on quality of life and an existing treatment that can delay visual field damages,
there is no recommended strategy to screen the disease. Clinical evaluation of optic nerve
head excavation performed either by ophthalmologists or glaucoma specialists is highly
inter-observer dependent and limits its accuracy to diagnose glaucoma. Additionally, up to 30
to 40% of nerve fiber layer may be lost before detecting first visual field defects, thus
making this tool not accurate enough for screening purposes.
Spectral-Domain Optical coherence tomography (SD-OCT) imaging technology allows precise and
reproducible measurements of optic nerve head structures and retinal layers mainly related to
the speed of acquisition and an axial resolution of 5 microns. New SD-OCT parameters have
been developed to improve its diagnostic accuracy for glaucoma disease. The investigators
therefore investigate performances of SD-OCT to discriminate glaucoma patients and controls.
All subjects will undergo SD-OCT imaging (Spectralis™ OCT, Version 6.3, Heidelberg
Engineering, Germany) and other study procedures in one single visit. All examinations
performed on the subjects are non-significant risk.
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