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.)
Contact lenses are an option for people who need a prescription for better vision but do not want to rely on eyeglasses every day. However, contact lenses require more than the prescription for correcting vision. The eye doctor must also measure the shape of the eye in order to prescribe the proper fit of lenses.