An eyelid (/ ˈaɪ.lɪd / EYE-lid) is a thin fold of skin that covers and protects an eye. The levator palpebrae superioris muscle retracts the eyelid, exposing the cornea to the outside, giving vision. This can be either voluntarily or involuntarily. "Palpebral" (and "blepharal") means relating to …

2024年12月4日 · Most eyelid issues aren’t serious. But if you’ve noticed something’s different about one or both of your eyelids, it’s important to know what to look out for.

2024年5月24日 · There are several parts to your eyelids. Some of them are functional, meaning they have a specific purpose. Others are cosmetic, meaning they contribute to your physical appearance. One thing to remember is that “cosmetic” doesn’t mean something isn’t important.

2025年2月7日 · A swollen eyelid can be caused by inflammation in the tissues around the eye. Learn more about puffy eyelids including symptoms, causes, and treatment. Skip to main content

2021年2月1日 · Meta: What are the key parts of the eyelid? How do they function? Find out why the eyelids and all their components are so critical to protecting your vision.

2019年7月11日 · The eyelid margin contain many important structures and are ordered in specific way, as are all the layers of the eyelid. Knowing the orientation and position of the margin structures is especially important with trauma, where restoration of the anatomy as best as possible is critical.

2025年3月5日 · An eyelid is a fold of skin that closes over the eye to protect it. There are upper and lower eyelids. Many things can affect the eyelids or are related to the eyelid. These include: Amblyopia; Anisocoria; Bell’s Palsy; Black Eye; Blepharitis; Cellulitis; Chalazia and Styes; Coloboma; Conjunctivitis (Pink Eye) Corneal Ulcer; Dry Eye; Eye ...

2022年12月20日 · Blepharitis, the medical term for irritated, swollen eyelids, is a common eye condition. It’s a chronic condition, but it’s not contagious. If you have oily skin or certain skin conditions, you may be more likely to develop blepharitis.

2020年10月25日 · In this article, we shall look at the anatomy of the eyelids – their layers, vasculature and innervation. The upper and lower eyelid. Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. The eyelid consists of five main layers (superficial to deep):

2024年11月11日 · The eyelids are protective, mobile tissue curtains in front of the eyeballs. They act as shutters to shield the eyes from injuries, light, and help spread the tear film over the eye’s surface. Eyelids play a role in facial expressions and provide cues about a …