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.)
It is illegal to sell contact lenses without a prescription, and for good reason. A contact lens is a medical device, and a poorly fitted lens  or one made from a material not well-suited to your eyes  can cause distorted vision, discomfort, infection, inflammation, swelling and abrasion.