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.)
SPH = SPHERE-The amount of long or short sightedness. This value specifies the optical power of a lens in diopters. It always has a plus (+) or a minus (-) sign in front or above it. There will always be a value for sphere, even if it is just zero (written as 0.00, Plano or P). If the vision in one eye is very poor, the word 'balance' or 'bal' may be written.