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.)
If both of your eyes require the same prescription, you will see the term oculus uterque, or OU, meaning that the prescription is for both eyes. Most terms on contact lens prescriptions are measured in diopters, a unit of refractive power that is equal to the reciprocal of the focal length in meters of a lens.