If you have arched windows or are planning to add these to your room, then you might be wondering about the window treatment for them. While you can use regular curtains and drapes, the styles in which these are stitched might vary a lot. Though curtains are a fave of many, blinds are a staple of interior designers, when it comes to gracing windows. Blinds give a crisp look to these windows, and restore the beauty of their shape, which curtains might hide.