Case Study 5
CC: Girl rubbing her R eye after trauma
The patient is a 2 year-old Caucasian girl who presents to the ED after falling from bed at 4:30 am and landing on a glass nightstand which shattered on impact. Mom checked her and found no bruises or bleeding. The next morning mom noticed her rubbing the R eye several times. She also keeps that eye closed by squinting all the time. She will not allow mom to look at the eye.
Past Ocular History:
No hx of ocular surgery, trauma, amblyopia, strabismus.
Past Medical History:
Healthy child. Born at term.
Past Family Ocular History:
Negative for blinding diseases.
Lives with mother. No smoking in the house.
No recent illnesses.
Visual Acuity (cc):
OD: Open eye to command but keeps eye closed most of the time. Central, unmaintained.
OS: Central, steady and maintained
OD: Not performed
OS: Not performed
Irregular, peaked OD; Round OS. No APD.
Full OU. No nystagmus.
Confrontational Visual Fields:
Normal-appearing orbital structures, both sides.
|Lids and Lashes||Normal OU|
|Conjunctiva/Sclera||Trace diffuse hyperemia OD; normal OS|
|Cornea||3 mm corneal laceration at 8 o’clock in horizontal configuration, extending from the limbus towards the visual axis OD; clear OS|
|Anterior Chamber||Flat OD; deep and quiet OS|
|Iris||Peaked, iris to wound OD; normal OS|
|Anterior Vitreous||Normal OU, brief view due to patient cooperation|
Dilated Fundus Examination:
|OD||No good view.|
|OS||Clear view, no VH; CDR 0.1 with sharp optic disc margins; flat macula with normal foveal light reflex; normal vessels and peripheral retina|
Globe rupture R eye
This patient presents with a full-thickness cornea laceration in the R eye after trauma. Other etiologies for full-thickness corneal defects include wound dehiscence (if patient has a history of prior corneal surgery) or corneal perforation due to dellen, scleritis, neurotrophic keratopathy, corneal ulcer, chronic topical anesthetic abuse or environmental exposure (crack smoking). Suspect child abuse in any child with unexplained globe rupture and initiate the appropriate evaluation.
A full-thickness laceration is a through-and-through defect of the eye wall (corneal or scleral) that causes the globe to be open to the environment. Other instances of open globe include blunt trauma resulting in rupture of previous surgical wounds and perforating trauma (with an entry and exit wound of the eye). It is important to inquire as to the nature of trauma or foreign body (vegetable matter vs. glass vs. metal).
Typical symptoms of globe rupture are pain, redness, tearing and decreased vision. Exam findings include: other lid or orbital trauma (ex. lid laceration – examination of the eye under a lacerated eyelid is imperative), conjunctival hemorrhage and/or swelling, corneal abrasion and/or laceration, flat or shallow anterior chamber, anterior chamber cell, hyphema, peaked pupil and/or iris rupture, high or low IOP, lens opacity, vitreous hemorrhage, retinal tear and/or detachment, choroidal rupture and/or intraocular foreign body. The eye exam should be comprehensive, but limit the manipulation of the affected eye (ex. avoid IOP check). Ensure the unaffected eye is examined (with dilation). The seidel test is a method of detecting aqueous humor leakage from the cornea by applying fluorescein to the site of laceration in the cornea. If positive a yellow fluid will be seen under cobalt blue light. An orbital CT scan is indicated in most cases to identify any foreign body, to examine the sclera for shape abnormalities (posterior ruptures can be missed on clinical exam) and to examine the orbital bones for fractures. In instances when the posterior pole can't be examined a B-scan could indicate intraocular foreign body, retinal detachments or vitreous hemorrhage but care should be placed not to put undo pressure in the eye.
Prompt surgical repair of the laceration is necessary to restore ocular integrity. The patient should receive anti-emetic, pain and antibiotic intravenous medication, a shield over the affected eye and tetanus prophylaxis while waiting for surgical repair. Outcomes are unpredictable and depend on the extension of the injury. An important prognosticator of final visual acuity is presenting visual acuity. Injured eyes require lifelong monitoring. Sympathetic ophthalmia is an inflammatory condition where the immune system attacks the uninjured eye, most likely due to systemic exposure of ocular antigens. In eyes with no possibility of vision recovery, enucleation can decrease the risk of immune activation and also resolves severe eye pain. Lifelong monocular precautions - using protective eye wear at all times - is recommended.
- What elements of the ocular examination would suggest globe rupture?
- Swollen reddened upper lid
- Shallow anterior chamber
- Blood in the anterior chamber
- Retinal detachment
- b and c
- all of the above
- What elements of the ocular examination should be avoided when suspecting ocular rupture to prevent dehiscence of ocular content?
- Removing an embedded foreign body in the cornea
- Examination of the eye in the slit-lamp
- Putting dilating drops in the affected eye
- Lifting the upper lid to examine the superior eye surface
- What is the 1st step that should be taken once a globe rupture is diagnosed?
- Call the operating room to schedule eye surgery
- Place a shield over the affected eye
- Start intravenous antibiotic
- Give patient pain medication
Ehlers JP, Shah CP, Fenton GL, et al. The Wills Eye Manual, 5th edition. Lippincott Williams, & Wilkins: Philadelphia, PA. 2008.
Friedman NJ, Kaiser PK, Pineda R. The Massachusetts Eye and Ear Infirmary Illustrated Manual of Ophthalmology, 3rd edition. Saunders Elsevier: China. 2009.
Kanski JJ. Clinical Ophthalmology: A Systematic Approach, 5th edition. Butterworth Heinemann: St. Louis, MO. 2003.
University of Iowa Department of Ophthalmology and Visual Sciences.
1. What elements of the ocular examination would suggest globe rupture?
f. All of the above
2. What elements of the ocular examination should be avoided when suspecting ocular rupture to prevent dehiscence of ocular content?
a. Removing an embedded foreign body in the cornea
Any foreign body embedded in the cornea or other part of the eye should be removed in the operating room at the time of globe rupture repair.
3. What is the 1st step that should be taken once a globe rupture is diagnosed?
b. Place a shield over the affected eye
It is imperative to protect the affected eye to prevent expulsion of intraocular content due to patient rubbing the eye. The other answers should be performed soon after.
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