Causes. Bacteria are the primary organisms that cause UTIs. Most common bacteria that cause UTIs include: Escherichia coli and Staphylococcus saprophyticus. About 80-90% of urinary tract infections are caused by Escherichia coli (E. coli). About 80 to 90 percent of UTI are caused by one type of bacteria. 2  Women develop UTI much more often than men. 3  20% of women in the United States develop this condition and 20% of those have a recurrence. 4  Urinary tract infection is less common in men and boys than in women and girls but is more likely to be serious.
A doctoral degree is required to practice optometry, but students should gear their undergraduate degree toward the optometry field by focusing on areas of study like biology, anatomy, organic chemistry, calculus, biochemistry, and physics.
The Doctor of Optometry degree requires the completion of a 4-year program at an accredited optometry school, preceded by at least 3 years of preoptometric study at an accredi â¦ ted college or university. All States require optometrists to be licensed.  Education and training. Optometrists need a Doctor of Optometry degree, which requires the completion of a 4-year program at an accredited optometry school.ll States and the District of Columbia require that optometrists be licensed. Applicants for a license must have a Doctor of Optometry degree from an accredited optometry school and must pass both a written National Board examination and a National, regional, or State clinical examination.