Eagle eye to the tear duct”. Eagle tears moisten the eyes and contain the chemical lysozyme which protects against salt water and also destroys bacteria, thus preventing eye infections. The nictitating membrane acts a sweeping wiper across the eye. The eagle iris is a pale yellow color, much lighter than human eyes. Both eagles and humans have a white area called the sclera, but in the case of eagles, it is hidden below the eyelid. Eyelid openings are oval-shaped in humans, while they are round in the case of birds' eyes. Most eagles have excellent vision. Generally, eagles do not suffer from
The Mind's Eye & Mission of the Viyrans husband are causing problems to her domestic bliss. This story leads directly into the audio drama "The Bride of Peladon". The hallucinogenic plants in this story reappear in "Brotherhood of the Daleks". Mission of the Viyrans is a Big Finish Productions audio drama based on the long-running British science fiction television series "Doctor Who". It is a one-part story written by Nicholas Briggs and was released alongside a three-part story, "The Mind's Eye". The Doctor and Peri encounter the time travelling Viyrans on a holiday planet. "Mission of the Viyrans" completes the "Virus Strand" story arc, which also includes the