Eye The eye was a part of the body used for sight . Some Silurian s had a third eye , which could be used for telepathic purposes or as a weapon . ( TV : " Doctor Who and the Silurians " , PROSE : " Blood Heat " , AUDIO : " Bloodtide " ) Gallifreyan eyes were noticeably different from human ones . While the human eye was just a dish of light - sensitive cells , leaving the brain to do all of the processing , the Time Lord retina was capable of thinking on its own . ( PROSE : " Seeing I " ) They could enhance available light , were thus better at seeing in the dark than human eyes ; ( PROSE : " Lucifer Rising " ) they could also notice incredible amounts of detail from hundreds of yards away ( TV : " The Eleventh Hour " ) and see things beyond the human line of sight . ( TV : " The Hungry Earth " ) As a result of these strengths , the retina was the main method of communicating with machines on Gallifrey . ( PROSE : " Seeing I " ) The Eighth Doctor ' s eyes could change colour between green , blue , ( PROSE : " Vampire Science " ) and grey . ( PROSE : " Mad Dogs and Englishmen " ) Allisheer St Marx , the half - human daughter of Handramit , had mirror - flecked eyes ; ( PROSE : " Of the City of the Saved . . . " ) Antigone ' s dark eyes were flecked with the tell - tale purple of the Homeworld high - caste . ( PROSE : " Weapons Grade Snake Oil " ) Eyes could be used to tell one ' s true age ; in the case of the Doctor , his human companion s found that they could tell , in spite of the differences caused by regeneration , whether incarnation s were younger or older by looking into his eyes . Cindy Wu observed through that the Tenth Doctor was older than he looked through his eyes , and as such identified the seemingly older Third Doctor as a younger incarnation . ( COMIC : " The Lost Dimension " ) In contrast , River Song could tell that the Tenth Doctor was younger than the succeeding Doctors she was familiar with by looking into his eyes . ( TV : " Silence in the Library " ) Despite the advanced age of the War Doctor , Clara Oswald noted that his eyes were younger than those of his future selves in that they were more hope ful . ( TV : " The Day of the Doctor " ) Pigmentation dispersal could cause the eye to change colour . Leela ' s eye colour changed from brown to blue after the explosion of a Rutan mothership prompted pigmentation dispersal and left her temporarily blind . ( TV : " Horror of Fang Rock " ) After failing to rescue Omega from the black hole he was trapped in , Savar was forced to leave his damaged TARDIS in an escape pod . The I intercepted the pod , taking all relevant technology . However as Time Lord technology utilised retinal verification , they also extracted his eyes . ( PROSE : " The Infinity Doctors " , PROSE : " The Infinity Doctors " , " Seeing I " ) A Dogon ' s sixth eye allowed someone to look back clearly on their life and make better choices , especially if swallowed . ( TV : " Random Shoes " ) An Ood ' s eye colour changed with the level of telepathic activity , normally glowing bright - red but turning to white when not connected to a hive mind . Humans , who only knew the Ood in their telepathy - disabled form , misinterpreted the presence of red eyes as a disease , known as " red - eye " . ( TV : " Planet of the Ood " ) Under the control of House , one Ood ' s eyes glowed green . ( TV : " The Doctor ' s Wife " ) During the Thousand Year War on Skaro , it was thought that Davros had lost his own eyes . ( TV : " Genesis of the Daleks " , AUDIO : " I , Davros " ) Whilst attempting to trick the Twelfth Doctor into giving up his regeneration energy to save the Daleks , Davros managed to cry and even chose to open his real eyes instead of using his Dalek eye , to the surprise of the Doctor . ( TV : " The Witch ' s Familiar " ) Miss Andrea Quill once required surgery that would penetrate the eyeball . The surgery was required so Quill could have her arn removed to regain her free will . Ballon was responsible for administrating the surgery . He also used his shapeshifting abilities , drawn from the blood of his god , to rebuild the eye to approximately its previous state , leaving behind a long scar down her face . ( TV : " The Metaphysical Engine , or What Quill Did " ) A student in St . Luke ' s University named Heather was born with a defect , which left her left iris in the shape of a star . ( TV : " The Pilot " )