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Watery eyes – due to excessive tearing. [7] Red eyes – due to dilated blood vessels on the sclera. [7] Swollen eyelids – due to inflammation. [7] Crusting at the eyelid margins/base of the eyelashes/medial canthus, generally worse on waking – due to excessive bacterial buildup along the lid margins. [4] [5] [7]
Causes of epiphora are any that cause either overproduction of tears or decreased drainage of tears, resulting in tearing onto the cheek. [2] This can be due to ocular irritation and inflammation (including trichiasis and entropion) or an obstructed tear outflow tract, which is divided according to its anatomical location (i.e., ectropion, punctal, canalicular or nasolacrimal duct obstruction).
Around 6% of infants have congenital nasolacrimal duct obstruction, or dacryostenosis, usually experiencing a persistent watery eye even when not crying. If a secondary infection occurs (dacryocystitis), purulent (yellow / green) discharge may be present. Most cases resolve spontaneously, with antibiotics reserved only if conjunctivitis occurs.
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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 affected eye may have increased tears or be "stuck shut" in the morning. [1] Swelling of the sclera may also occur. [1] Itching is more common in cases due to allergies. [3] Conjunctivitis can affect one or both eyes. [1] The most common infectious causes in adults are viral, whereas in children bacterial causes predominate.
The best eye drops for dry eyes in 2023 work to soothe various dry eye symptoms. Here, find expert-approved picks from Refresh, Systane, Opti-Free, and more. ... “The causes of dry eyes are ...
Most frequent are symptoms due to conjunctival or corneal irritation: burning, photophobia, tearing, pain, and a gritty or sandy sensation. [4] Protruding eyeballs (known as proptosis and exophthalmos). Diplopia (double vision) is common. [4] Limitation of eye movement (due to impairment of eye muscle function).