Figure 5. Binocular visual field enlargement in the four prismatic combinations. Black: before adaptation; gray: after a 3-week period of adaptation On the ordinate is reported the area of the residual vision on the visual field map (cm2). Bars refer to standard deviation

From

Light Sensitivity and Visual Field Extension in Hemianopes Wearing Halfmoon Prismatic Sectors

Carlo Aleci, Tiziana Usai, Marzia Paiola

American Journal of Medical and Biological Research. 2013, 1(3), 77-85 doi:10.12691/ajmbr-1-3-4