Be at least 1-2 inches away from the umbilicus. Inject at a 45 â 90 degree angle. The maximum amount that can be injected subcutaneously is 1cc. Sites for subcutaneous injections: 1. Outer aspect of the upper arm. 2. The abdomen â below the costal margin (rib cage) to the iliac crest. 3.
Blepharoptosis or ptosis (pronounced TOE-sis) is defined as drooping of the upper eyelid. Ptosis can be bilateral or unilateral and can be difficult to identify unless a proper exam is performed.
Eyelid Twitching (Overview) 1  Eyelid twitching, with the medical term of myokymia, is a rapid, involuntary contraction of a portion of the eyelid muscles due to nervous instability in which a portion of the nerves causing eyelid muscle to contract fire with no external cause.