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.
1 Either type of swelling does not subside within a few weeks. 2  Eyelid swelling interferes with your vision. 3  You have pain in the eye. 4  You have recurrent styes. 5  Recurrent styes can be a symptom of other chronic skin problems.