Eye-screen
From Tardis Wiki, the free Doctor Who reference
The eye-screen was a screen which served as the "eyes" of the K9 models. (PROSE: Doctor Who and the Invisible Enemy [+]Loading...["Doctor Who and the Invisible Enemy (novelisation)"]) It was a multi wavelength optical spectrum sensor which also featured a retractable data-com probe. (PROSE: The Visual Dictionary [+]Loading...["The Visual Dictionary (2007 reference book)"])
