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.
We see ketonuria when blood glucose is high due to lack of insulin. When it is too high, diabetic ketoacidosis (DKA) occurs and with acidosis, there is a loss of Na+, K+, phosphate, etc., leading to excessive loss of extra- and intra- cellular cations, water balance is further affected and dehydration occurs.