yläluomea

Yläluomea is a Finnish term that translates to "upper eyelid" in English. It refers to the movable fold of skin that covers the upper part of the eyeball. The upper eyelid plays a crucial role in protecting the eye from foreign objects, dust, and excessive light. It also helps to distribute tears evenly across the ocular surface, keeping the eye moist and comfortable.

The structure of the upper eyelid is complex, comprising several layers. These include the skin, subcutaneous tissue, orbicularis oculi muscle (which is responsible for closing the eyelid), tarsal plate (a dense connective tissue that gives the eyelid its shape), and the conjunctiva (a thin, transparent membrane that lines the inner surface of the eyelid and covers the white part of the eye). The levator palpebrae superioris muscle is responsible for lifting the upper eyelid, allowing the eye to open.

Several conditions can affect the upper eyelid, including ptosis (drooping of the upper eyelid), entropion (inward turning of the eyelid margin), and ectropion (outward turning of the eyelid margin). These conditions can impair vision and cause discomfort, often requiring medical intervention. The appearance of the upper eyelid can also be a subject of cosmetic concern, leading to procedures like blepharoplasty, which is surgery to improve the appearance of the eyelids.