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.
If the body uses fat instead of sugar for energy it produces a by-product ketones. Conditions that may cause ketones in the urine are diabetes, malnutrition, alcoholism, illness, etc. Essentially production of ketones could be attributed to one of these conditions. Protein is not a usual finding in the urine. Fever, kidney disorders, pregnancy, strenuous exercise, etc. may produce protein in the urine. Some people may have traces of protein in the urine for unexplainable reasons.