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.
Correction, Oct. 27, 2009: The article originally stated that legally blind people can never obtain a driver's license. In most states, they can apply for a restricted driver's license, as long as their visual acuity exceeds a legal limit with the aid of a bioptic telescopic device .(Return to the corrected sentence.).