What Are Flashing Lights? When flashing lights occur you may think that you see lights going on and off, especially to one side. These tend to happen in only one eye at a time, even when your eye is closed. What Causes Flashing Lights? The vitreous sometimes pulls on the retina. This may cause you to see flashing lights or lightning streaks, even though there aren't any such lights present. This is the same thing that occurs when you get hit in the eye and see stars or when you rub your eye.
Best Answer: HEPATIC (LIVER) ENZYME VALUES. AST (Serum Glutamic-Oxalocetic Transaminase - SGOT ) - found primarily in the liver, heart, kidney, pancreas, and muscles. Seen in tissue damage, especially heart and liver. Normal Adult Range: 0 - 42 U/L. Optimal Adult Reading: 21. ALT (Serum Glutamic-Pyruvic Transaminase - SGPT) - Decreased SGPT in combination with increased cholesterol levels is seen in cases of a congested liver.
Levels that are higher or lower than normal can indicate liver problems. Some common liver function tests include: 1  Alanine transaminase (ALT). 2  ALT is an enzyme found in the liver that helps your body metabolize protein.3  When the liver is damaged, ALT is released into the bloodstream and levels increase.evels that are higher or lower than normal can indicate liver problems. Some common liver function tests include: 1  Alanine transaminase (ALT). 2  ALT is an enzyme found in the liver that helps your body metabolize protein.