Sclera However, acid burns, even severe ones, seldom result in loss of the eye. Alkali burns, on the other hand, such as those resulting from exposure to ammonium hydroxide or ammonium chloride or other chemicals with a pH above 11.5, will cause cellular tissue in the sclera to saponify and should be considered medical emergencies requiring immediate treatment. Yellowing of the sclera is a visual symptom of jaundice. In very rare but severe cases of kidney failure and liver failure, the sclera may turn black. Sclera The sclera, also known as the white of the eye, is the opaque, fibrous, protective,
The Mind's Eye & Mission of the Viyrans audio dramas "Urgent Calls", "Urban Myths" and "The Vanity Box". This story marks the first appearance of the Viyrans for Big Finish. They first appeared in the short story "No One Died", also written by Nicholas Briggs, featuring the Tenth Doctor and published in the 2007 Doctor Who Storybook. The Viyrans return against the Sixth Doctor in "Patient Zero". The Mind's Eye & Mission of the Viyrans The Mind's Eye is a Big Finish Productions audio drama based on the long-running British science fiction television series "Doctor Who". It is a three-part story written by Colin Brake and was released