Eyelid Anatomy — Ophthalmology Review
网页2019年7月11日 · Superficial (Pretarsal) System. These veins drain from preseptal tissues into the internal and external jugular veins. The angular vein supplies the medial eyelid. The superficial temporal vein supplies the lateral eyelid. Deep (Posttarsal) System. These veins drain into the cavernous sinus.
Anatomy, Head and Neck: Eyelid - StatPearls - NCBI Bookshelf
网页2023年8月14日 · The orbicularis oculi muscle is a large, thin, circular muscle that is divided into pretarsal, preseptal, and orbital segments. The pretarsal and preseptal segments are responsible for involuntary eyelid closure (blinking).
Anatomy, Head and Neck: Orbicularis Oculi Muscle
网页2024年5月25日 · The palpebral part of the orbicularis oculi muscle is crucial for voluntary and involuntary blinking and is subdivided into the preseptal, pretarsal, and ciliary sections. Preseptal section: This segment of the orbicularis oculi muscle is split into deep and superficial heads.
Eyelid Anatomy: Overview, Surface Anatomy, Skin and ... - Medscape
网页2016年6月30日 · The pretarsal portion lies anterior to the tarsus, with a superficial and deep head of origin intimately associated with the medial palpebral ligament. Fibers run horizontally and laterally to...
How to Diagnose and Relieve Periocular Spasm - Review of …
网页2009年8月13日 · Periocular spasms, which include myokymia, benign essential blepharospasm and hemifacial spasms, can often be difficult to diagnose because the signs and symptoms can be subtle. However, if the possibility of a periocular spasm is entertained, through thorough history gathering and a detailed examination, the diagnosis is readily …
Botox for Blepharospasm: Role of Injection Site
网页2021年12月1日 · For this double-masked comparison study, the authors recruited 24 adults (mean age, 63.6 years) with blepharospasm from a hospital in Bangkok, Thailand. Each patient received a preseptal injection of BTX-A into one eye (chosen randomly) and a pretarsal injection into the fellow eye.
Blepharospasm - EyeWiki
网页Blepharospasm is involuntary closure of both eyelids. Benign essential blepharospasm (BEB) is a bilateral condition and a form of focal dystonia characterized by episodic contraction of the eyelid protractor muscles (orbicularis oculi, procerus, and corrugator superciliaris) and is not associated with another disease.
Blepharoplasty: Anatomy, Planning, Techniques, and Safety
网页2018年2月21日 · (1) Describe the periorbital anatomy and surface topography of the youthful and aging eyes. (2) Identify ideal candidates for aesthetic eyelid surgery and patients at risks for postoperative complications. (3) Recognize the various surgical techniques of upper and lower blepharoplasty.
Pretarsal vs. preseptal botulinum injections: What is the effect on ...
网页2022年1月20日 · Pretarsal injection of botulinum toxin results in greater degrees of lagophthalmos than preseptal injection. This may reflect a sign of greater efficacy of the toxin in the pretarsal site, rather than a complication.
Preseptal and Pretarsal Botulinum Toxin Injection in Hemifacial …
网页2023年1月13日 · Consecutive hemifacial spasm and blepharospasm botulinum toxin patients were categorized as preseptal or pretarsal. Study outcomes were the difference in pre-and post-treatment modified Jankovic scale, self-reporting scales, time-related treatment, safety, and cost.