When giant cell arteritis is diagnosed and treated early, the prognosis is usually excellent. Your symptoms will likely improve quickly after beginning corticosteroid treatment, and your vision isn't likely to be affected. Your greatest challenge in this case may be coping with any side effects of your medication.
Civilized is the closest to being the opposite of Barbarian. The opposite would be a Roman. The people of the Roman Empire called outsiders barbarians. As barbarian is a term meaning loosely: people whose culture is different from our own..
One parsec is one side of a right triangle. The other side is one AU. Using trigonometry, you can calculate the value of one versus the other. The angle opposite AU is 1 arc second, or 1/3600 of a degree. Using TAN (1/3600) = Opposite/Adjacent where Opposite = 1 AU, you can solve for Adjacent (which equals x AU or 1 Parsec).