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Eye Injuries - PowerPoint PPT Presentation


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Eye Injuries. WELCOME. Anatomy of the Eye:. Parts of the Eye:. Conjunctiva: Thin membrane covering the eye Sclera: The whites of the eye Cornea: The fixed focus lens Aqueous Lens: The fluid that fills a small chamber behind the cornea The Iris: The coloured part of the eye

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Presentation Transcript
parts of the eye
Parts of the Eye:
  • Conjunctiva:

Thin membrane covering the eye

  • Sclera:

The whites of the eye

  • Cornea:

The fixed focus lens

  • Aqueous Lens:

The fluid that fills a small chamber behind the cornea

  • The Iris:

The coloured part of the eye

  • The Pupil:

The hole inside the iris ring

parts of the eye1
Parts of the Eye:
  • The Vitreous Humour:

Thick jelly like fluid that fills the eyeball and keeps it firm

  • Retina:

The curved back layer of the eye covered in light sensitive cells ( roots & cones) that can see shapes, colours & patterns

  • Optic Nerve:

Sends info from the retina to the brain.

history
History:

Casualty Sheet:

  • Mechanism of injury – How did it happen, safety glasses, time frame, welding?
  • Were they wearing contacts?
  • Was it a projectile object?
  • Was force involved?
  • Was the pt working with metal or in an environment where there may be metal debris?
eye injuries1
Eye Injuries:
  • Flying Particles
  • Foreign Bodies
  • Welding flashes
  • Chemicals
  • Sharp tools or objects
  • Blunt tools or objects
foreign body
Foreign Body:
  • Depending on what it is and how the injury happened, a FB may pierce the eye and cause serious injury or may simply go away with nil long term problems.

Symptoms Include:

  • Sharp pain in your eye – followed by burning, irritation tearing and redness
  • Feeling that something is moving around the eye when it is closed
  • Scratching sensation over your eye when blinking
  • Blurred vision or loss of vision in the affected eye
  • Bleeding into the white part of the eye OR the coloured area – this indicates a significant injury.
  • Can’t stand the light
foreign body eye
Foreign Body Eye:

Examine the eye:

  • Ask the pt where they feel the irritation or scratching is?
  • Irrigate with normal saline
  • Invert the upper eyelid with cotton bud - How?
  • If visible with the naked eye –can remove with wet cotton bud-gently swipe.
foreign body1
Foreign Body:
  • Rubbing may scratch or push the FB in further (Corneal abrasion)
  • Eye wash in some cases may be enough
  • FB will often hide behind the upper eyelid
  • Will scratch if not removed
rust ring to eye
Rust Ring to Eye:
  • URGENT : Vision can be effected
  • Note with metal rings can occur if not removed
treatment
Treatment:
  • Eye wash
  • Look at the pupil – are they equal
  • Always ask pt if improvement post eye wash
  • Always ask the pt to return 2 hours post wash - either to you or Medical centre
  • A FB Especially metal can cause blindness if not treated (rust rings start within 3 hours)
  • Corneal Abrasions have good outcome (Heal in 48hrs) if treated early with AB eye ointment
treatment2
Treatment:
  • Despite irrigating the eye. There may be FB that cannot be seen with the naked eye and needs to be examined closer – contact the OHN
  • OHN -If needed during working Hours an Ophthalmologist App can be organised.
chemical burns
Chemical Burns:
  • Wash immediately with copious amounts of water
  • Get MSDS
  • Treatment essential OHN
  • Usually treated 2-3L N/Saline.
  • Sent off for further treatment
  • Lead to infection, scarring, loss of sight
penetrating eye injuries
Penetrating Eye Injuries:
  • Sharp or blunt injuries
  • Medical Emergency
  • Potentially cause blindness
  • Preventable
conjunctivitis
Conjunctivitis:
  • Infection Eye
  • General Health Issue
  • Watery
  • Redness
  • Itchy
  • Irritation
flash burns
Flash Burns:
  • Welding without safety shield or standing close to someone welding
  • Usually occurs 6-12 hours after event
  • Inflammation of the cornea (the clear tissue that covers the front of the eye)
  • Like sunburn in the eye
  • Usually heals in 1 – 2 days without leaving a scar
  • If not treated can lead to infection
symptoms
Symptoms:
  • Pain mild or severe
  • Bloodshot eyes
  • Light sensitivity
  • Watery eyes
  • Blurred vision
  • The feeling of having something in your eye
treatment3
Treatment:
  • Examination of the eye – stain eye
  • Phenylepherine drops ( FB must be excluded prior to use)
  • May require panadiene forte
  • Antibiotics
  • Review by ophthalmologist
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