WIDE-FIELD SPECTRAL DOMAIN OPTICAL COHERENCE TOMOGRAPHY

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Abstract

Purpose:

To describe wide-field spectral domain optical coherence tomography morphologic relationships of the vitreous, retina, and choroid in healthy and pathologic eyes.

Methods:

Standardized horizontal, vertical, and two oblique (supertemporal to inferonasal and supranasal to inferotemporal) spectral domain optical coherence tomography sections were collected for each patient. For extramacular imaging, images were obtained from 8 locations: 1) nasal to the optic disk, 2) extreme nasal periphery, 3) superior to the superotemporal vascular arcade, 4) extreme superior periphery, 5) inferior to the inferotemporal vascular arcade, 6) extreme inferior periphery, 7) temporal to the macula, and 8) extreme temporal periphery. Wide-angle montage images of optical coherence tomography from equator-to-equator were composed with a montaging software.

Results:

Wide-field spectral domain optical coherence tomography scans were obtained in 10 healthy subjects, in 7 patients with central serous chorioretinopathy, in 5 patients with wet age-related macular degenerations, in 5 patients with dry age-related macular degenerations, in 4 patients with retinitis pigmentosa, and in 1 patient with acute exudative polymorphous vitelliform maculopathy.

Conclusion:

The novel approach of montaging spectral domain optical coherence tomography images to examine relationships between the choroid, retina, and associated structures adjacent to and outside of the macula may have a number of relevant applications in the study of vitreoretinal interface, paramacular and macular pathologic features.

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