1 You can also take courses in math, biology, and other sciences in high school to get ahead of the game.  Another option to enrolling in a veterinary technician program is to enter a U.S. university that offers a four-year bachelor's degree in veterinary technology. There are fifteen of these programs in the country.
Help with your Glasses Prescription The Sphere The sphere (Sph) specifies the strength of lens required to correct your focus - a plus sphere to correct long-sightedness (hyperopic - difficulty focusing on close objects) and a minus to correct short sightedness (myopia - difficulty focusing on distant objects.)
Â· just now. 1  Contact Lenses Bc Meaning. 2  Base curve radius, abbreviated BCR or BC, is a parameter of a contact lens. 3  Base curve radius, abbreviated BCR or BC, is a parameter of a contact lens. 4  The base curve (BC) is a part of your contact lens prescription. It relates to the curvature of your eye and typically is a measurement in the range 8.0 to 9.5. Your doctor measures the curvature of your eye during your contact lens exam and chooses the base curve for your contacts appropriately.