When testing the Dial Indicator, one of the points must be near. the lower limit that the instrument can measure, another somewhere. in the middle, and the third near the upper limit. 4. Use a conversion factor of 25.40 mm/in to convert gauge block.
Eyelid swelling has many causes (see Some Causes of Eyelid Swelling). It usually results from an eyelid disorder but may result from disorders in and around the orbit or from systemic disorders that cause generalized edema. The most common causes are allergic, including.
Most often, eyelid edema is caused by allergic reactions to products such as eye makeup or eye drops, or allergens such as pollen. While most causes of eyelid edema are not dangerous, this condition can also be a symptom of trichinosis, a disease caused by eating undercooked meat, and other serious infections.