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Symptoms include irritation, photophobia, lacrimation, blurred vision and red eye. This Clinical Management Guideline outlines the aetiology, signs and symptoms and evidence-based recommendations for diagnosing and treating corneal foreign body.
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Embedded foreign bodies need to be removed on the point of a sterile spud (an instrument designed to remove ocular foreign bodies) or a 25- or 27-gauge needle, generally under guidance with a slit lamp. Intraocular foreign bodies, or any penetrating injuries, are treated surgically by an ophthalmologist.
- Christopher J. Brady
Oct 30, 2023 · 5 steps for safe corneal foreign body removal: Anesthetic: Instill a topical anesthetic in the affected eye. 4,6 Irrigation: Irrigate the eye with saline to remove a superficial corneal FB and particles.
Ensure that visual acuity is checked before and after attempting foreign body removal. Irrigate the eye with normal saline to wash out the foreign body. If saline irrigation fails, apply a topical ocular anaesthetic, and sweep a sterile cotton-tipped applicator gently over the cornea.
- Introduction
- Evaluation
- Management
- Post Treatment
- Additional Resources
- References
A corneal foreign body (FB) is an object that is superficially adherent or embedded in the cornea. The cornea is the most anterior portion of the globe and so is the part of the eye that is most frequently exposed to foreign bodies. Some of the common materials that may be embedded in the cornea include glass, metal, sand, plastic, or wood. The rem...
Should any foreign body become lodged in the cornea, it is important to obtain a thorough history to prepare for the procedure and provide appropriate patient care. Some questions to ask include: What? When? Where and How? The suspected material or composition is important to note as it can affect the management and prognosis. For example, an iron ...
Most corneal foreign bodies can be successfully removed at the slit lamp. Corneal FBs should be removed safely and in a timely fashion to minimize the risk of infection, inflammation, scarring, and subsequent vision loss. If not removed promptly, the foreign body can get pushed progressively deeper into the cornea, sometimes resulting in delayed co...
Patients should be placed on broad-spectrum topical ophthalmic antibiotics for one week or until the corneal surface has re-epithelialized. A therapeutic bandage contact lens can be used short-term to reduce discomfort. The lens acts as a barrier and reduces the shear forces of the eyelids against the corneal surface, minimizes the risk of epitheli...
American Academy of Ophthalmology. Penetrating and Perforating Ocular Trauma. Basic and Clinical Science Course, Section 8. External Disease and Cornea. San Francisco: American Academy of Ophthalmo...
Murchison, AP. “Corneal Abrasions and Corneal Foreign Bodies”. Merck Manual. Nov 2017.Primary Care Ophthalmology. "Foreign Body Removal". U Ottawa. https://www.med.uottawa.ca/procedures/slamp/body_removal.htm"Corneal Foreign Body". Edward S. Harkness Eye Institute. Columbia University Department of Ophthalmology. https://www.columbiaeye.org/education/digital-reference-of-ophthalmology/An ocular foreign body is a common condition, in which a small particle (such as a piece of grit or small rust particle) becomes stuck on your eye. If the object becomes stuck on the cornea – the front window of your eye – this is called a corneal foreign body.
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What is a corneal foreign body? This is a term used to describe a small particle that has become adherent to or embedded in the surface of the cornea. This will cause irritation to the outer front surface of the eye. What causes a corneal foreign body? Foreign particles may typically be blown into the eye on a windy day or when gardening.
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