Optical Coherence Tomography (OCT) , which measures the reflection of laser light much like an ultrasound measures the reflection of sound, can directly measure the thickness of the nerve fiber layer and create a three dimensional representation of the optic nerve.
Price of a Stamp. The current price of a first class stamp is 49 cents. A domestic first class letter (1 oz.) is 49 cents. The price of each additional ounce is 21 cents.It will cost you 34 cents to send a domestic postcard.he current price of a first class stamp is 49 cents. A domestic first class letter (1 oz.) is 49 cents.
WASHINGTON â Today, the U.S. Postal Service introduced the Global Forever First-Class Mail International stamp. Priced at $1.10 each and offered in a pane of 20, the Global stamp offers a single price for any First-Class Mail International 1-ounce letter to any country in the world.The Global stamp also may be used to mail a 2-ounce letter to Canada.riced at $1.10 each and offered in a pane of 20, the Global stamp offers a single price for any First-Class Mail International 1-ounce letter to any country in the world.