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.
Canada Post is raising the price of a stamp to 85 cents, up from 63 cents. While the new price applies when buying stamps in bulk, it will cost $1 to buy a single first-class stamp. Large-volume mailers, however, will pay only 69 or 70 cents per stamp.