To refine the edges of a selection: Create a selection. With your selection tool still chosen, click Refine Edge on the Options bar or press Ctrl-Alt-R/Cmd-Option-R. Set the zoom level to 100% or 200% by pressing Ctrl- +/Cmd- +. To control how the selection previews in the document, choose from the View menu. A You can also choose a view by pressing the letter shortcut that’s listed on the menu, or cycle through them by pressing F. We’re partial to these views: Overlay (V) to view the selection as a Quick Mask (useful for viewing areas beyond the selection). On Black (B) to view the selection against a black background (useful if you’re going to copy the selection to a dark background or if the background areas are light). On White (W) to view the selection against a white background (useful if you’re going to copy the selection to a light background). On Layers (L) to view the selection on top of the layer immedia