Index: wp-admin/css/list-tables.css
===================================================================
--- wp-admin/css/list-tables.css	(revision 28908)
+++ wp-admin/css/list-tables.css	(working copy)
@@ -618,10 +618,6 @@
 	margin: 5px 16px 0 8px;
 }
 
-.view-switch img {
-	display: none;
-}
-
 .view-switch a {
 	text-decoration: none;
 }
Index: wp-admin/includes/class-wp-list-table.php
===================================================================
--- wp-admin/includes/class-wp-list-table.php	(revision 28908)
+++ wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -500,11 +500,9 @@
 				if ( $current_mode == $mode )
 					$classes[] = 'current';
 				printf(
-					"<a href='%s' class='%s'><img id='view-switch-$mode' src='%s' width='20' height='20' title='%s' alt='%s' /></a>\n",
+					"<a href='%s' class='%s' id='view-switch-$mode'><span class='screen-reader-text'>%s</span></a>\n",
 					esc_url( add_query_arg( 'mode', $mode ) ),
 					implode( ' ', $classes ),
-					esc_url( includes_url( 'images/blank.gif' ) ),
-					$title,
 					$title
 				);
 			}
Index: wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- wp-admin/includes/class-wp-media-list-table.php	(revision 28908)
+++ wp-admin/includes/class-wp-media-list-table.php	(working copy)
@@ -156,13 +156,10 @@
 				if ( $current_mode == $mode )
 					$classes[] = 'current';
 				printf(
-					"<a href='%s' class='%s'><img id='view-switch-$mode' src='%s' width='20' height='20' title='%s' alt='%s' /></a>\n",
+					"<a href='%s' class='%s' id='view-switch-$mode'><span class='screen-reader-text'>%s</span></a>\n",
 					esc_url( add_query_arg( 'mode', $mode ) ),
 					implode( ' ', $classes ),
-					esc_url( includes_url( 'images/blank.gif' ) ),
-					$title,
 					$title
-
 				);
 			}
 		?>
Index: wp-includes/media-template.php
===================================================================
--- wp-includes/media-template.php	(revision 28908)
+++ wp-includes/media-template.php	(working copy)
@@ -225,10 +225,10 @@
 
 	<script type="text/html" id="tmpl-media-library-view-switcher">
 		<a href="<?php echo esc_url( add_query_arg( 'mode', 'list', $_SERVER['REQUEST_URI'] ) ) ?>" class="view-list">
-			<img id="view-switch-list" src="<?php echo includes_url( 'images/blank.gif' ) ?>" width="20" height="20" title="List View" alt="List View"/>
+			<span class="screen-reader-text"><?php _e('List View'); ?></span>
 		</a>
 		<a href="<?php echo esc_url( add_query_arg( 'mode', 'grid', $_SERVER['REQUEST_URI'] ) ) ?>" class="view-grid current">
-			<img id="view-switch-excerpt" src="<?php echo includes_url( 'images/blank.gif' ) ?>" width="20" height="20" title="Grid View" alt="Grid View"/>
+			<span class="screen-reader-text"><?php _e('Grid View'); ?></span>
 		</a>
 	</script>