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 price of a stamp increased by three cents to 49 cents effective january 26 2014 of course if you own forever stamps the value of your stamp goes up automatically when the rates increase so there s not much to worry about stamps work with single piece first class mail basically a standard letterhe price of a stamp increased by three cents to 49 cents effective january 26 2014 of course if you own forever stamps the value of your stamp goes up automatically when the rates increase so there s not much to worry about stamps work with single piece first class mail basically a standard letter