Have you ever wondered why some jobs require people to have perfect eyesight? For the most part, these careers have a high standard for vision due to the nature of the work to be performed. In some types of job, an individual’s ability to perceive depth, color, distance and other similar visual aspects can mean the difference between life and death. Take for example air force pilots, air traffic controllers, firefighters, airline pilots, and astronauts who may be entrusted with the lives of many on a daily basis.
This explains why strict requirements are in place and other preconditions must be met by applicants depending on their choice of career and employer. Before significant advancement in vision correction, this might be a problem for many hopeful applicants. Today, however, LASIK eye surgery can help you fulfill your dreams of working in your desired field.
Defining 20/20 Vision
To help you better understand what optimal vision entails, you must learn what it actually means to have 20/20 vision. This measurement is derived from the Snellen Chart—the black and white eye chart commonly seen at an eye doctor’s exam room—which displays a number of lines and letters that progressively get smaller the farther down you go. Opticians used millions of results from the Snellen Chart to determine what the “normal” level of sight is among the population, which happens to be 20/20. Read more from this article: http://bit.ly/2FR1w1L