PMC5015612_01
Automated perimetry at presentation demonstrating severely disturbed central visual fields . (RE: right eye, LE: left eye).
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F1
Although Goldmann perimetry revealed no changes in previously existing peripheral visual field defects, automated perimetry (Humphrey C10-2) demonstrated severely disturbed central visual fields in both eyes (Figure 1 (Fig. 1)).
Optic disc left eye after optic neurotomy
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F2
The tip of the blade was placed at the edge of the optic disc with the sharp edge aiming peripherally and directed posteriorly into the optic nerve just beyond the 1 cm marker at the tip of the knife (Figure 2 (Fig. 2)).
Eleven days after surgery, automated perimetry revealed a marked improvement in the left eye . (RE: right eye, LE: left eye).
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F3
Automated perimetry was repeated 11 days after surgery and revealed a marked improvement (Figure 3 (Fig. 3)).