Red eyes: causes


#Red #eyes

Be with the Red eyes it is a very frequent reason for “urgent” medical appointments. This condition represents 1% to 4% of the reasons for consultations in Western countries and can be caused by several factors.

  • Red eyes without loss of vision

    • Conjunctivitis

    • Subconjunctival hemorrhage

  • Red eyes with reduced vision

    • Acute glaucoma

    • Keratitis

    • Uveitis

Red eyes without loss of vision

When the eyes are red and there is no reduction in vision or blurring, there is talk of diseases such as conjunctivitis or subconjunctival hemorrhage. In these cases, there is no damage to the patient’s vision.

Conjunctivitis

In case of conjunctivitis, redness predominates in the peripheral areas of the eye. The disease can be of bacterial, viral or allergic origin.

Subconjunctival hemorrhage

Although it may impress the lay public, subconjunctival hemorrhage is not serious and has no specific origin. It can result from a wound in the region or eye contusion.

Red eyes with reduced vision

There are cases of redness of the eyes accompanied by a reduction in vision. They represent more serious situations, such as:

Acute glaucoma

Painful and unilateral, acute glaucoma causes severe eye pain, with semi-dilated and fixed pupils. Acute glaucoma is not a complication of chronic glaucoma, but an event that arises based on an anatomical predisposition (narrowing of the angle of the iridocorneal chamber).

Keratitis

Keratitis is an inflammation of the cornea accompanied by pain, photophobia and excessive tears. There are many possible causes: trauma (mainly involving contact lenses), infections, dry eye and ophthalmic.

Uveitis

This inflammation in the eyes can have local or regional causes, such as inflamed teeth, or infectious diseases.

Photo: © Lucky Business – Shutterstock.com

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