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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. Eye development - Wikipedia

    en.wikipedia.org/wiki/Eye_development

    Surface ectoderm forms the lens, corneal epithelium and eyelid. The extracellular mesenchyme forms the sclera, the corneal endothelium and stroma, blood vessels, muscles, and vitreous. The eye begins to develop as a pair of optic vesicles on each side of the forebrain at the end of the fourth week of pregnancy.

  4. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    The pupil of the human eye can range in size from 2 mm to over 8 mm to adapt to the environment. The human eye can detect a luminance from 10 −6 cd/m 2, or one millionth (0.000001) of a candela per square meter to 10 8 cd/m 2 or one hundred million (100,000,000) candelas per square meter.

  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. Epicanthic fold - Wikipedia

    en.wikipedia.org/wiki/Epicanthic_fold

    An epicanthic fold or epicanthus [6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [3] However, variation occurs in the nature of this feature and the possession of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature.

  7. The Best Thing You Can Do for Dry, Flaky Eyelids, According ...

    www.aol.com/best-thing-dry-flaky-eyelids...

    First, there’s superficial flaking, which comes as a result of dry skin or friction. “Like other areas of the face, dry skin may occur from time to time but tends to be more common in the ...

  8. Conjunctiva - Wikipedia

    en.wikipedia.org/wiki/Conjunctiva

    Image of a human eye showing the blood vessels of the bulbar conjunctiva Hyperaemia of the superficial bulbar conjunctiva blood vessels. 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]

  9. Scaly creature — with yellow eyelids — found lurking in ...

    www.aol.com/scaly-creature-yellow-eyelids-found...

    During their visits, researchers found six geckos with yellow eyelids, the study said. At first, they thought the lizards were a new population of a known species, but when they took a closer look ...