If you've been told in the past that you cannot wear contact lenses because of an irregular cornea or other problems, you may want to get a second opinion and ask your eye doctor about scleral contact lenses.
Blood enzyme tests. Enzymes are chemicals which help to regulate a number of chemical reactions, and that take place in the body. Blood enzyme tests can be used to measure the levels and activity of certain enzymes. Some blood enzyme tests assess the liver enzymes and others test for damage to the heart. Creatine kinase. Creatine kinase is an enzyme which is produced by the majority of muscle cells.
This is a blood chemistry test to measure the amount of enzyme in the blood. The CPK enzyme is found in high concentration in heart and skeletal muscle; low concentration is brain tissue. CPK is an enzyme that catalyzes the creatine-creatinine metabolic pathway in muscle cells and brain tissue.