PMC3307006_01
Right eye showing paracentrally inferiorly circumscribed corneal opacification.
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fig1
There was scarring in the overlying corneal stroma (Figures 1, 2, and 3).
Slitlamp photograph showing circumscribed protrusion of the posterior corneal curvature with concomitant stromal thinning and an opacification of the overlying stroma.
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fig2
There was scarring in the overlying corneal stroma (Figures 1, 2, and 3).
High magnification shows a relatively dense opacification of the cornea. Note the retrocorneal melanin granules at the edge of the stromal opacity.
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fig3
There was scarring in the overlying corneal stroma (Figures 1, 2, and 3). A few retrocorneal melanin granules were present (Figure 3).
Retroillumination shows an irregularity with mosaic-like pattern. Note the sharp margin of the round lesion (arrow). There is a second sharp round line (arrowhead), forming a central and a peripheral zones.
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fig4
An irregular mosaic-like pattern was noted using retroillumination (Figure 4).
Ultrasound biomicroscopy shows the local anterior bulging of the posterior corneal surface with concomitant thinning of the stroma. Note the configuration of the enhanced stromal reflectivity (arrowhead) corresponding to the stromal opacity.
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fig5
The posterior depression was clearly detectable using ultrasound biomicroscopy (Humphrey, Zeiss, Oberkochen) (Figure 5) and slit-scanning topography analysis (Orbscan, Bausch and Lomb) (Figure 6).
Slit-scanning topography analysis of the posterior corneal curvature (Orbscan) shows the circumscribed protrusion of the posterior surface, located paracentrally inferiorly. The color code indicates a "bulging" of about 75 mum.
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fig6
The posterior depression was clearly detectable using ultrasound biomicroscopy (Humphrey, Zeiss, Oberkochen) (Figure 5) and slit-scanning topography analysis (Orbscan, Bausch and Lomb) (Figure 6).