Your eye doctor can estimate the amount of astigmatism you have by shining a light into your eye while manually introducing a series of lenses between the light and your eye. This test is called retinoscopy.
Causes of Ketones in the urine (Ketonuria): See detailed list of causes below. Ketones in the urine (medical symptom): The presence of ketones in the urine. The list of medical condition causes of Ketones in the urine (Ketonuria) includes: 1  Uncontrolled diabetes. 2  Glycogen storage disease.  Starvation.
Ketonuria can be detected by performing a urine test. Ketonuria occurs when high levels of ketone bodies which occur when cells are broken down for energy are present in the urine.etonuria can be dangerous if ketones levels become high and may need to be monitored amongst people with diabetes who are prone to high blood glucose levels.