Corneal Abrasion - PowerPoint PPT Presentation

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Corneal Abrasion

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A corneal abrasion is an abrasion or scratch of the outer layer of the eye. – PowerPoint PPT presentation

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Title: Corneal Abrasion


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Corneal Abrasion
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Corneal Abrasion
  • A corneal abrasion is a cut (abrasion) or
    scratch of the outer layer (cornea) of the eye.
    Injury (trauma) is found to be the one of the
    most common cause for corneal abrasions.

3
Causes of Corneal Abrasion
  • The most common causes of corneal abrasion are
  • Scratches from fingernails (human and animal)
  • Foreign objects coming in contact with the cornea
    (e.g., dirt, wood splinters, metal shavings,
    plants, tree branches, etc)
  • Curling irons
  • Over rubbing of the eye
  • Extra exposure to ultraviolet light
  • Arc welding light exposure
  • High wearing of contact lenses
  • Ill-fitting contact lenses

4
Causes of Corneal Abrasion
Continue
  • Teared contact lenses
  • Makeup brushes
  • Paper cuts
  • Chemical burns
  • Irregular eyelashes rubbing the cornea or falling
    off into the eye
  • Any foreign object that gets stuck under the
    eyelid, which then irritates the cornea each time
    you blink
  • Other causes include underlying eye conditions,
    like
  • unable to fully close the eyelids
  • abnormal lid position
  • dry eye conditions
  • chronic blepharitis (inflamed eyelids)

5
Who is at risk?
  • Corneal abrasions are very common. Those who
    wear contact lenses or work in dusty, dirty,
    windy, or debris-laden areas are more prone to
    get a corneal abrasion.

6
Signs Symptoms of Corneal Abrasion
  • Although it is very difficult to detect a
    corneal abrasion with the naked eye, you have to
    be suspicious of this if you have experienced any
    of the causes of corneal abrasion mentioned
    above.Along with that is the painful feeling
    that something is in your eye that just won't
    wash out, plus
  • Lots of watery tearing
  • Sensitivity to light (especially bright light)
  • Blurred vision
  • Redness of the eye
  • Spasm of the muscles surrounding the eye
    resulting in squinting

7
Treatment of Corneal Abrasion
  • After confirming that there is nothing more
    serious than a corneal abrasion, your doctor will
    most likely tightly patch the eye for a day or
    two after instilling an anesthetic drop and
    antibiotic ointment.Very tight patching is
    indicated for those abrasions that are felt to be
    essentially clean. Otherwise, patching may not be
    done. Your doctor may also clean and sweep the
    area of the abrasion to extract any possible
    dirty or contaminated tissue.If there is an
    underlying basis for the abrasion, care for this
    is needed to prevent recurrence. If the corneal
    abrasion was contact lens related, you may be
    required to be re-evaluated regarding your
    contact lenses as to fit and type. If the problem
    is recurrent erosion, your doctor will begin
    specific treatment for that condition.

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