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.
The cost of a forever stamp is the current cost of a first class stamp. In January of 2013 that is 46 cents. It is valid for the first ounce of mail regardless of the actual price.he cost of a forever stamp is the current cost of a first class stamp. In January of 2013 that is 46 cents. It is valid for the first ounce of mail regardless of the actual price.