The expected urine creatinine excretion per 24 hours: Males: 13-29 mg/kg of body weight/24 hours. Females: 9-26 mg/kg of body weight/24 hours. Reference ranges for male and female patients <18 and >83 years of age have not been established.
blindness. lack or loss of ability to see (see vision). Legally, blindness is defined as less than 20/200 vision in the better eye with glasses (vision of 20/200 is the ability to see at 20 feet only what the normal eye can see at 200 feet). A person with 20Â° or less vision (pinhole vision) is also legally blind.
The definition of legally blind entails that a person has a vision that is 20/200 in a personâs best eye with correction. Also, the visual field is limited to less than 20 degrees.n example could be that a person under the provisions of being legally blind must stand within 20 feet in order to seen an object that a person with perfect 20/20 vision can see from a distance of 200 feet.