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Optic nerve complex can be visualized with enhanced depth imaging OCT in glaucoma patients
Ophthalmology. 2012:119(1);3-9.
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Use of enhanced depth imaging optical coherence tomography among glaucoma patients proved to be an effective tool in visualizing a variety of deep optic nerve complex structures, according to a prospective, observational study.
The researchers suggested that this imaging tool "may be helpful in detecting, conceptualizing and understanding basic and complicated in vivo anatomic and pathologic features of the [optic nerve complex] in glaucoma."
The study was a cross-sectional analysis of data obtained from an ongoing longitudinal study. The researchers assessed the usefulness of enhanced depth imaging OCT among 139 eyes of 73 patients with established glaucoma. The goal was to investigate the deep structures of the optic nerve complex in patients who had a range of glaucoma damage.
Both horizontal and vertical enhanced depth imaging OCT images of the nerve complex were obtained.
Visual field mean deviation was -11.8 dB. Researchers identified the anterior laminar surface in all eyes in the central laminar area and in 91 eyes in the periphery beneath the neuroretinal and scleral rims or vascular structures.
Overall results showed that this imaging technique provides in vivo cross-sectional images of the deep optic nerve complex structures in many glaucoma patients.