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 .
|Published (Last):||28 June 2016|
|PDF File Size:||5.29 Mb|
|ePub File Size:||16.71 Mb|
|Price:||Free* [*Free Regsitration Required]|
Disclosure of potential conflicts of interest: The right eye had a chorioretinal coloboma. On examination, his visual acuity was still LP, and he was found to have protrusion and extreme thinning of the entire cornea. Treatment options in cases of anterior staphyloma include penetrating keratoplasty, mushroom grafts, sclerokeratoplasty, and dural patch 6 – 8.
A new technique for corneal mushroom grafts and its indication. Ophthalmic Surg Lasers Imaging. The spectrum of associated ocular and systemic malformations. The cornea was edematous and up to 4 mm in thickness.
What is staphyloma?
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.
InMcHenry et al.
Views Read Edit View history. When related to myopia, the vision correction or disturbance is usually from the myopia alone although the staphylomatous protrusion in the back of the eye can contribute to sgaphyloma distortion.
Acquired anterior staphyloma after corneal ulcer associated with the use of crack
At this time, the patient agreed staphyolma surgical intervention. Why has my near vision gotten worse since my cataract surgery two weeks ago? There is no specific treatment for this condition but some have applied banked sclera to reinforce anterior staphylomas that appear threatening to erode into the eye. Over the next 4 months, the patient also noticed the onset of decreasing visual acuity in his right eye OD.
Congenital Corneal Staphyloma
Treatment consists of localised staphylectomy under heavy doses of oral steroids. Slit-lamp examination of the right eye revealed an inflamed conjunctiva, a total epithelial defect, a large 5. Cont Lens Anterior Eye. Protrusion of an opaque cornea through the eyelids at stapyhloma is a very rare condition which may be due to keratectasia or congenital corneal staphyloma. He was homeless and admitted to using crack cocaine daily over the past 4 months.
Anterior staphylomas can result from untreated crack-cocaine-associated corneal ulcers, and managing these cases can be very difficult because of the high risk of non-compliance. Clinical aspects of congenital anomalies of the cornea and sclera; pp. The optic disk, retina and sclera appeared normal.
Various ocular complications that are associated with crack cocaine have been reported, including epitheliopathy, microbial keratitis, and corneal perforation 3 – 5. Cocaine can exert a direct toxic anferior on the cornea by damaging epithelial plasma membranes and microvilli, or the repeated stxphyloma to cocaine may result in decreased corneal sensation and poor blink reflex; moreover, the alkaline nature of crack cocaine could cause low-grade chemical burns to the cornea.
Get ophthalmologist-reviewed tips and information about eye health and preserving your vision.
Examination of the left eye revealed a keratinized and ectatic cornea bulging 9 mm anteriorly Fig. Stapgyloma, congenital, dermis-like choristoma overlying corneal staphyloma. Keratinized corneal ectasia and severe bulging of the left eye at the time of enucleation. 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 stsphyloma and anterior segment inflammation, and secondary glaucoma.
Combined, all these potential factors create a favorable environment for infections. Due to severe deformity of the blind eye, we considered enucleation to be the most appropriate treatment. Our patient admitted to saphyloma crack cocaine for 4 months and also on the day of admission. Initially, his visual acuity was light perception in OD, and slit-lamp examination revealed a corneal infiltrate with a peripheral perforation and staphtloma iris prolapse.
The lens was atrophic and had transformed to a knob-like structure adhering to the posterior cornea Fig. Secondary xtaphyloma closure glaucoma resulting from total anterior synechia leads to gradual bulging of the cornea. Our patient underwent a large sclerokeratoplasty; however, because of the loss to follow-up, we do not know the possible complications he staphjloma postoperatively develop. Following surgery, the patient was again lost to follow-up.
Staphyloma is the term for a thinning of the outer, white coat of the eye 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 patient was hospitalized to ensure compliance with the prescribed treatment and was stzphyloma to undergo therapeutic keratoplasty; however, the patient left the hospital against medical advice and was lost to follow-up for the next 6 months.
Histopathological examination of two cases of anterior staphyloma associated with Peters’ anomaly and persistent hyperplastic primary vitreous.
The opaque cornea showed surface keratinization and a cystic forward projection measuring 16 mm.
The donor graft was prepared freehand and sutured to the recipient scleral bed with nylon; the knots were rotated into the patient’s sclera Figure 2. Anteiror you Your feedback has been sent. Read our important medical disclaimer.
He then returned to hospital with complaints of light sensitivity and difficulty in closing his right eye. This article does not cite any sources. A staphyloma is an abnormal protrusion of the uveal tissue through a weak point in the eyeball.
The ectatic corneal protrusion is lined on its inner surface by uveal tissue causing the blue hue.