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Conjunctivitis, also known as pink eye, [4] is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. [5] It makes the eye appear pink or reddish. [1] Pain, burning, scratchiness, or itchiness may occur. [1] The affected eye may have increased tears or be "stuck shut" in the morning. [1]
Pink eye can have a mucus-like discharge of pus while allergies can produce a white stringy discharge. Pink eye can crust your eyelashes, causing your eye to stick shut—allergies should not.
Cherry eye is a disorder of the nictitating membrane (NM), also called the third eyelid, present in the eyes of dogs and cats. Cherry eye is most often seen in young dogs under the age of two. [2] Common misnomers include adenitis, hyperplasia, adenoma of the gland of the third eyelid; however, cherry eye is not caused by hyperplasia, neoplasia ...
Lacrimal caruncle. Front of left eye with eyelids separated. Caruncula visible and labeled at left. The lacrimal caruncle, or caruncula lacrimalis, is the small, pink, globular nodule at the inner corner (the medial canthus) of the eye. [1] It consists of tissue types of neighbouring eye structures. It may suffer from lesions and allergic ...
Pink or red discoloration in one or both eyes. A “gritty feeling” and/or itching, irritation or burning in one or both eyes. Clear, thin drainage of liquid and increased shedding of tears and ...
Allergic conjunctivitis ( AC) is inflammation of the conjunctiva (the membrane covering the white part of the eye) due to allergy. [1] Although allergens differ among patients, the most common cause is hay fever. Symptoms consist of redness (mainly due to vasodilation of the peripheral small blood vessels ), edema (swelling) of the conjunctiva ...
Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of melanin in ...
Symptoms – VKC is characterised by marked burning and itchy sensations which may be intolerable and accentuates when patient comes in a warm humid atmosphere. Associated symptoms include mild photophobia in case of corneal involvement, lacrimation, stringy discharge and heaviness of eyelids. [citation needed] Palpebral form- Usually upper ...