Secondary angle closure glaucoma resulting from total anterior synechia leads to gradual bulging of the cornea. Corneal exposure can result in chronic keratitis. Looking for online definition of anterior staphyloma in the Medical Dictionary? anterior staphyloma explanation free. What is anterior staphyloma? Meaning of. histopathological features of congenital corneal staphyloma are discussed, as well as the possible anteroposterior length, with an abnormal anterior segment .
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Our patient underwent a large sclerokeratoplasty; however, because of the loss to follow-up, atnerior do not know the possible complications he could postoperatively develop. The ectatic corneal protrusion is lined on its inner surface by uveal tissue causing the blue hue.
However, we will follow up with suggested ways to find appropriate information related to your question. Staphyloma is the term for a thinning of staphyyloma outer, white coat of the anteriog the sclera in which the underlying pigmented tissue then adds its color to the thinned sclera, giving an appearance of bluish to almost black color.
The conjunctiva was closed, and subconjunctival antibiotics and steroids were injected. The appearance of the protruded area was similar to a blueberry in color, size, and shape Figure 1.
Congenital Corneal Staphyloma
Ophthalmologists should be aware of the potential corneal complications related to drug abuse. The crystalline lens was found to be in place. Staphyloma occur antrrior the front of the eye mostly as a response to trauma or infection in which the scleral architecture has been disturbed and the internal pressure of the eye stretches the weak point causing the protrusion and typical appearance.
Examination of the left eye revealed a keratinized and ectatic cornea bulging 9 mm anteriorly Fig. From Wikipedia, the free encyclopedia.
Treatment options in cases of anterior staphyloma include penetrating keratoplasty, mushroom grafts, sclerokeratoplasty, and dural patch 6 – 8. Acquired anterior staphyloma occurs subsequent to corneal perforation, usually following untreated or non-responding infective keratitis 1.
Open in a separate window. We report a case of acquired anterior staphyloma following perforation of a corneal ulcer in a patient who used crack cocaine daily for 6 months prior to the second presentation and its management. Unsourced material may be challenged and removed.
Various ocular complications that are associated with crack cocaine have been reported, including epitheliopathy, microbial keratitis, and corneal perforation 3 – 5. It is an ectasia of pseudocornea the scar formed from organised exudates and fibrous tissue covered with epithelium which results after sloughing of cornea with iris plastered behind, it is known as anterior staphyloma.
Irritation caused by caustic fumes promotes mechanical trauma from vigorous eye rubbing on the face of an already altered antedior framework and hypoesthetic state. Over the next 4 months, the patient also noticed the onset of decreasing visual acuity in his right eye OD. Such manifestations result from many factors, stapphyloma from direct drug effects to the social environment of the patient.
This article does staphyloa cite any sources. B Acquired anterior staphyloma following a corneal ulcer with a severe bulging of the right eye at the time of the surgery. It may be of 5 types, depending on the location on the eyeball bulbus oculi. Lens status could not be ascertained because the lens was not visible.
Acquired anterior staphyloma after corneal ulcer associated with the use of crack
Slit-lamp examination of the right eye revealed an inflamed conjunctiva, a total epithelial defect, a large 5. A year-old black man presented with a 4-week history of a foreign body sensation, redness, and pain in his right eye. Basic and clinical science course: Services on Demand Journal. He then returned to hospital with complaints of light sensitivity and difficulty in closing his right eye. Besides increased complexity of large graft surgery resulting from loss of limbal support and subsequent protrusion of the lens-iris diaphragm during surgery, the poorer outcomes observed in these types of procedures are multifactorial, including extensive initial infection, postoperative chronic ocular surface and anterior segment inflammation, and secondary glaucoma.
Congenital Corneal Staphyloma
He denied any previous contact lens use, trauma, or ocular surgery. National Center for Biotechnology InformationU. Author information Copyright and License information Disclaimer.
The patient underwent a sclerokeratoplasty in his right eye prepared freehand. Protrusion of an opaque cornea through the eyelids at birth is a very rare condition which may be due to keratectasia or congenital corneal staphyloma.
How common is retinal detachment for people with high myopia? Report of two cases. External disease and cornea. Why has my near vision gotten worse since my cataract surgery two weeks ago? Left eye examination revealed inferior superficial punctate keratopathy without the evidence of an infection. Acquired anterior staphylomas most frequently occurs because of untreated perforated ulcers 1.
On the equator of the eye region circumferencing the largest diameter orthogonal to the visual axis. Rarely staphylomas can be caused by surgical weakening of the sclera at some point.