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.)
Understanding your contact lens prescription requires you to understand the terminology used to write it. Below are brief descriptions of the items that should be on the label of your contact lenses and what they mean to you and your eye care professional.his stands for base curve. Itâs the back curvature of your contact lens, which is measured in millimeters. For best fit, comfort, and eye health itâs prescribed to match or complement the curvature of your cornea. The lower the number, the steeper your cornea.