Most urinary tract infections are due to bacteria that enter the opening of the urethra. Bacteria stick to the walls of the urethra, multiplying and moving up the urethra to the bladder. Most UTIs remain in the lower urinary tract where they cause annoying symptoms, such as a burning sensation during urination. 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.
Educational Requirements. If you're interested in becoming an optometrist, you'll first need to complete a 4-year bachelor's program, preferably in a relevant or related field like biology, chemistry, or physiology. You'll need a bachelor's degree to apply for optometry programs, which are rather competitive. Optometry programs typically take an additional four years to complete; upon completion you must meet national and your state's licensing requirements in order to become a practicing optometrist.
A Doctor of Optometry (OD) attends four years of college, four years of optometry school and then an optional one-year residency. Optometrists undergo extensive and intensive refractive and medical training mainly pertaining to the eye and the entrance criteria to attend optometry school is also highly competitive.