Abstract
To provide an overview of spectral domain optical coherence tomography (SDOCT) technology for clinical practice. Since glaucoma is the leading cause of irreversible blindness, early diagnosis and detection of progression are important. Early treatment can be sight saving. Currently, SDOCT is the most commonly used high-resolution imaging modality in diagnosing and monitoring glaucoma. SDOCT focuses on three anatomic regions: the retinal nerve fiber layer, the optic nerve head, and the macular ganglion cell region. Each anatomic region can be objectively quantified, and many of these measurements can be compared to a normative database and then classified into within normal limits, borderline, or outside normal limits. The advantages and disadvantages of the different scan regions are described, and future directions and needs in glaucoma imaging are discussed. SDOCT affords improvements over time domain OCT imaging for glaucoma care, but future research is needed.
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