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.
Prevention of emergencies in diabetics prone to ketonuria requires close monitoring of the levels of glucose in the blood and ketone bodies in the urine. Although ketone-body overload in the blood occurs primarily in type 1 diabetics, it can also occur in people with type 2 diabetes.