In humans, the eyelids are supplied with blood by two arches on each upper and lower lid. The arches are formed by anastomoses of the lateral palpebral arteries and medial palpebral …

May 24, 2024 · 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 …

Feb 2, 2021 · Without eyelids, our eyes would have no protection from impacts, infections and the harsh rays of the sun. The upper and lower eyelids use skin, muscles, glands, nerves and …

Feb 7, 2025 · A swollen eyelid can be caused by inflammation in the tissues around the eye. Learn more about puffy eyelids including symptoms, causes, and treatment.

Mar 5, 2025 · Read an overview of general eye anatomy to learn how the parts of the eye work together. An eyelid is a fold of skin that closes over the eye to protect it. There are upper and …

Nov 11, 2024 · 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 …

Jun 28, 2025 · Your eyelids help protect your eyes. But they can droop, twitch, or become infected or inflamed. Learn about eyelid disorders and their treatment.

Aug 19, 2025 · Eyelid Shape Evolution: The shape of your eyelids is unique to you and can evolve over time. The contour of your eyelids forms a graceful bow shape from the inner to …

Eyelid, movable tissue, consisting primarily of skin and muscle, that shields and protects the eyeball from mechanical injury and helps to provide the moist chamber essential for the …