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 and inflammation of retina can occur due to herpes infection. Sometimes presence of foreign particles inside the eyes can cause this situation. Eye-injury or trauma to the eyes during an accident can cause swelling of eyelids. Even bite of an insect can cause inflammation of eyelids.
Another condition that causes inflammation of the eyelid is a chalazion. A chalazion occurs when there's a blockage in one of the small oil glands at the margin of the eyelid, just behind the eyelashes. Unlike a sty, a chalazion usually isn't painful and tends to be most prominent on the inner side of the eyelid.