Fundus Autofluorescence in Lamellar Macular Holes and Pseudoholes: A Review

Figure 2

(a) Mammalian foveal histology. Henle’s fiber layer continues in the foveal pit as a thin layer (arrows) (courtesy of Roger C. Wagner, PhD, Professor Emeritus of Biological Sciences, University of Delaware, Newark, Delaware, USA). (b, c) Healthy young macula. Enhanced visualization of Henle’s fibers shifting the entry position of the SD-OCT beam through the pupil nasal (b) and temporal (c) to the fovea: the thin layer of fibers in the fovea remains undetected on horizontal B-scan. (d) Normal fovea. Acquired images correlate beautifully with histologic specimens (a), but the innermost layers of the retina in the foveola remain difficult to visualize in normal eyes. A less reflective layer opposite to the well-defined hyperreflective layer of Henle’s fibers may be seen as continuous in the center (GCL: ganglion cell layer; IPL: inner plexiform layer; INL: inner nuclear layer; OPL: outer plexiform layer (dendritic); HFL: Henle’s fiber layer (axonal OPL); ONL: outer nuclear layer).

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