Vision restoration therapy for patients with visual field defects after cerebral lesion – therapy related objective and subjective changes in visual functions

In patients with post-chiasmatic brain damage vision restoration therapy (VRT) has been reported to reduce visual field defects (VFD) by an average of 4.9° of visual angle. An open, confirmatory trial was conducted in an independent laboratory (Tuebingen eye clinic) to verify the earlier results using different perimetric procedures. 16 patients were evaluated before and after 6 months of VRT using PC-based high resolution (HRP) perimetry, Tuebinger automated (TAP) perimetry and visual field examination by Scanning Laser Ophthalmoscope (SLO). Patient testimonials were collected with two questionnaires and with a…