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.
What is a Forever Stamp? Forever Stamps are a special type of stamp created by the United States Post Office that will always be worth one First Class stamp. When they were initially created in 2007 a Forever Stamp cost only $0.41. Their value has increased since then and they are now worth significantly more.