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.)
How to Read Your Eyeglass Prescription. So youâve been handed a piece of paper by your optometrist or ophthalmologist with your eyeglass or contact lens prescription. Perhaps youâve been given these pieces of paper for many years. Itâs full of mysterious abbreviations, terms and numbers, and youâre curiousâ¦. Just what does it all mean? Understanding your eyeglass prescription takes a bit of work, but it can be interesting stuff. Many people are intrigued about what the magic formula their eye doctor has come up with actually says about their eyes.