Figure 4. Effect of the prismatic combinations on the sensitivity gradient across the vertical step. Along the horizontal axis negative values refer to the blind hemifield. Left: temporal sectors; right: upper sectors. Thick line: basal; dotted line: 30 diopters; thin line: 20 diopters. * = p<0.01

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