Put simply: "Static" means that the patient has minimal control of further movement. "Dynamic" procedures allow some (more) patient control over the end result of surgery. Ptosis is an issue that affects many parts of the body, but eyelid ptosis is a major issue in the specialty of Facial Plastic & Reconstructive Surgery.
What is a Static Lift for Ptosis?
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What you are asking about I believe is a frontalis sling.
Generally ptosis surgery looks to increase the mechanical advantage of the levator palbepra superioris muscle that elevates the eyelid margin. There are two basic approaches for this: anterior levator aponeurosis resection ptosis repair and posterior conjunctival Muellerectomy. The Muellerectomy is a very reliable surgery for a small degree of ptosis provided testing during consultation suggests this approach. Alternatively for eyelids that do not pass this test or for larger degrees of ptosis, the anterior approach is typically used. However, both of these surgeries are predicated on the ability of the levator muscle to move the upper eyelid at least 8 to 10 mm. Below this, it is difficult for these surgeries to make a difference. Reduced levator function is associated with certain neuromuscular conditions and in congenital ptosis where the levator muscle may not have developed normally. When this muscle does not work properly or is under developed, a static connection is made between the eyelid margin and the forehead. This is called frontalis suspension. This actually works well for young children who learn to work the forehead to open the eyes. Frontalis suspension is generally very unsatisfactory for adults who have difficulty adapting to this type of surgery.
Static lift for ptosos
To the best of my knowledge, this is not a common term or a term referring to a specific procedure. All surgical lifts are going to be static (vs. dynamic) as the tissue is repositioned and fixed in an elevated position. The only brow lifting that might qualify as a dynamic lift would be the elevation achieved using neuromodulators such as Botox and Dysport.