WordPress at a glance
filter is not described

screen_options_show_screen filter-hook . WP 3.2.0

Filters whether to show the Screen Options tab.


add_filter( 'screen_options_show_screen', 'filter_function_name_524', 10, 2 );
function filter_function_name_524( $show_screen, $this ){
	// filter...

	return $show_screen;
Whether to show Screen Options tab.
Default: true
Current WP_Screen instance.

Where the hook is called

wp-admin/includes/class-wp-screen.php 963
$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );

Where the hook is used (in WP core)

wp-admin/nav-menus.php 384
add_filter( 'screen_options_show_screen', '__return_false' );