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.
Below are the main reasons for different level of ketone bodies in your blood and urine: 1  Ketostix don't measure all types of ketones produced by your body. 2  As you become keto-adapted (3-4 weeks), you will excrete less ketone bodies via urine. 3  Also, changes in hydration affect the concentration of ketones.