In ancient times, a ring was used to seal a promise, much in the same way rings of different types are used to symbolize promises today. Bishops would wear rings to symbolize their spiritual âmarriageâ or union with the church.
What is Extina? Extina (ketoconazole) is an antifungal medication that prevents fungus from growing on your skin. Extina Foam is used on the skin (topical) to treat a skin condition called seborrheic dermatitis in patients 12 years of age and older. Seborrheic dermatitis can cause areas of flaky skin (scales) on the scalp, face, ears, chest or upper back.
Optic Nerve. The Optic Nerve, also called Cranial Nerve II, is the nerve that transmits visual information from the Retina to the Brain. Optic Disc. The Optic Disc or Optic Nerve head is the point in the eye where the optic nerve fibers leave the retina. Due to absence of light sensitive rods and cones of the retina at this point, it is not sensitive to light and thus is also known as The Blind Spot or Anatomical Blind Spot.