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  2. Eyelid - Wikipedia

    en.wikipedia.org/wiki/Eyelid

    Eyelid edema is a condition in which the eyelids are swollen and tissues contain excess fluid. It may affect eye function when it increases the intraocular pressure. Eyelid edema is caused by allergy, trichiasis or infections. [4] The main symptoms are swollen red eyelids, pain, and itching. Chronic eyelid edema can lead to blepharochalasis.

  3. Tarsus (eyelids) - Wikipedia

    en.wikipedia.org/wiki/Tarsus_(eyelids)

    The sulcus subtarsalis is a groove in the inner surface of each eyelid. ... text in the public domain from page 1025 of the 20th edition of Gray's Anatomy (1918)

  4. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    Schematic diagram of the human eye. It shows a horizontal section through the right eye. The eye is made up of three coats, or layers, enclosing various anatomical structures. The outermost layer, known as the fibrous tunic, is composed of the cornea and sclera, which provide shape to the eye and support the deeper structures.

  5. Accessory visual structures - Wikipedia

    en.wikipedia.org/wiki/Accessory_visual_structures

    An eyelid is a thin fold of skin that covers and protects the eye. The levator palpebrae superioris muscle helps in the movement of eyelid. The human eyelid features a row of eyelashes along the eyelid margin, which helps in protection of the eye from dust and foreign debris. The main function of eyelid is to keep the cornea moist and clean.

  6. Conjunctiva - Wikipedia

    en.wikipedia.org/wiki/Conjunctiva

    In the anatomy of the eye, the conjunctiva (pl.: conjunctivae) is a thin mucous membrane that lines the inside of the eyelids and covers the sclera (the white of the eye). [1] It is composed of non-keratinized, stratified squamous epithelium with goblet cells, stratified columnar epithelium and stratified cuboidal epithelium (depending on the ...

  7. Orbital septum - Wikipedia

    en.wikipedia.org/wiki/Orbital_septum

    In anatomy, the orbital septum (palpebral fascia) is a membranous sheet that acts as the anterior (frontal) boundary of the orbit. It extends from the orbital rims to the eyelids . It forms the fibrous portion of the eyelids.

  8. Lacrimal punctum - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_punctum

    The lacrimal punctum (pl.: puncta) or lacrimal point is a minute opening on the summits of the lacrimal papillae, seen on the margins of the eyelids at the lateral extremity of the lacrimal lake. There are two lacrimal puncta in the medial (inside) portion of each eyelid. Normally, the puncta dip into the lacrimal lake.

  9. Lacrimal canaliculi - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_canaliculi

    The lacrimal canaliculi (sg.: canaliculus) are the small channels in each eyelid that drain lacrimal fluid, from the lacrimal puncta to the lacrimal sac.This forms part of the lacrimal apparatus that drains lacrimal fluid from the surface of the eye to the nasal cavity.

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