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.)
Answer Wiki. I am not sure what you mean by 'normal' contacts, but here are some options. RGP: rigid gas permeable, spherical lenses can be used with up to about 2.5D of corneal astigmatism. Spherical Soft Lens: regular soft lens. Toric Soft Contacts: like regular soft contacts but with cylinder correction for astigmatism.