# Separate methods per eye
my @left_projection = $device->projection_matrix_left;
my @right_projection = $device->projection_matrix_right;
my @left_modelview = $device->modelview_matrix_left;
my @right_modelview = $device->modelview_matrix_right;
# Indexed eye methods
my @left_projection = $device->projection_matrix(0);
my @right_projection = $device->projection_matrix(1);
my @left_modelview = $device->modelview_matrix(0);
my @right_modelview = $device->modelview_matrix(1);