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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 ...
Pallor is a pale color of the skin that can be caused by illness, emotional shock or stress, stimulant use, or anemia, and is the result of a reduced amount of oxyhaemoglobin and may also be visible as pallor of the conjunctivae of the eyes on physical examination. Pallor is more evident on the face and palms. It can develop suddenly or ...
Pink eye - also known as conjunctivitis - is an eye infection that happens when the thin outer membrane of the eye, called the conjunctiva, becomes infected and inflamed.
Red eye, swelling of the conjunctiva, and watering of the eyes are symptoms common to all forms of conjunctivitis. However, the pupils should be normally reactive, and the visual acuity normal. [8] Conjunctivitis is identified by inflammation of the conjunctiva, manifested by irritation and redness.
The resulting loose, excess conjunctiva may mechanically irritate the eye and disrupt the tear film and its outflow, leading to dry eye and excess tearing. [2] A correlation may also exist between inflammation in the eye and conjunctivochalasis, though it is unclear whether this correlation is causal.
The white part of the eye, the conjunctiva and sclera, is examined next. [12] The conjunctiva and sclera can be inspected by having the individual look up, and shining a light while retracting the upper or lower eyelid. Any changes in color of the conjunctiva or the shapes of the blood vessels will be observed. [12]
Fox News Digital spoke to an egg expert based in Maine to find out why egg yolks come in different colors — and if these different colors mean anything significant in terms of nutrition.
A normal optic disc is orange to pink in colour and may vary based on ethnicity. [3] A pale disc is an optic disc which varies in colour from a pale pink or orange colour to white. A pale disc is an indication of a disease condition. [citation needed]