Most inguinal hernias happen because an opening in the muscle wall does not close as it should before birth. That leaves a weak area in the belly muscle. Pressure on that area can cause tissue to push through and bulge out.
Basic Requirements. In order to apply to be a TSA Agent, you must first hold a few basic requirements. TSA agents must have at the very least a high school diploma or GED. In addition, in order to apply, you must have at least one year of experience as a security officer or Xray technician.
Certification is not required, but may increase your employment opportunities. The American Optometric Association (AOA) offers three levels of certification: Certified Paraoptometric (CPO), Certified Paraoptometric Assistant (CPOA), and Certified Paraoptometric Technician (CPOT). To sit for the CPO examination, you need a high school diploma and six months of experience working in eye care.