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Optochiasmatic arachnoiditis , befall when the arachnoid behind the visual cheek and the optical chiasm gets thickened abnormally . It also strike the adjoining nerve as well as the pons . The arachnoid subsist in the form of thin inflamed motion picture on the ocular nervousness or on the adjoiningblood vessels . Optochiasmatic arachnoiditis , if not addressed in time can top to complete loss of visual sense .
What is Optochiasmatic Arachnoiditis?
Our brain , spinal cord and the optic nerves are encompass with three kinds of membrane , to protect them from any outside damage . These layers are called meninges . The inmost layer is called the Tacca leontopetaloides mater , middle stratum is called arachnoid and the outmost layer is called dura mater .
At the back of the eyes , lie the ocular chiasm which is the junction between the two opthalmic nerves . When this arachnoid present on the optic nerve or the optic chasm gets infected , unremarkably due to a viral infection , then the term is experience as optochiasmatic arachnoiditis . asunder from infection , arachnoiditis may also be of a traumatic descent or post the operating theatre of the heart .
The occurrence of optochiasmatic arachnoiditis usually constitutes three stage , which are seditious phase or the form of inflammation of the arachnid , followed by unchewable form which witnesses fibrosis and lastly , the hyperplastic stage which marks the unreasonable proliferation of the cells of the arachnid membrane conduct to the knob of the arachnid membrane . This leads to contraction of the arachnoid membrane as well as obstruction of the provision of bloodline to the ocular heart which further lead into progressive damage of visual sensation .
Symptoms of Optochiasmatic Arachnoiditis
The common symptom of optochiasmatic arachnoiditis are :
Epidemiology of Optochiasmatic Arachnoiditis
The universe involve by optochiasmatic arachnoiditis is mostly female person , accounting close to sixty to sixty five percentage of the affected individuals . The incidence rate of optochiasmatic arachnoiditis is over ten thousand cases each twelvemonth and the most plebeian causative factor behind the stipulation is surgery related to brain , spinal cord and optic nerve .
Prognosis of Optochiasmatic Arachnoiditis
The outlook for optochiasmatic arachnoiditis is not good , because most pillow slip result in loss of vision . The status is ordinarily left undiagnosed or poorly diagnosed .
Risk Factors for Optochiasmatic Arachnoiditis
The probable risk factors that stupefy a threat of optochiasmatic arachnoiditis are :
Complications of Optochiasmatic Arachnoiditis
The one and the only unwashed ramification of the optochiasmatic arachnoiditis is the visual impairment . The level of visual deadening bet upon the form of optochiasmatic arachnoiditis the patient role is suffering form .
Diagnosis of Optochiasmatic Arachnoiditis
The right diagnosing of optochiasmatic arachnoiditis is quite difficult . The diagnostic subroutine that are apply for the diagnosing of optochiasmatic arachnoiditis are :
How is Optochiasmatic Arachnoiditis Treated?
There is no right therapeutic for optochiasmatic arachnoiditis , but there are sealed intervention methods which are followed ; however , their effectiveness is quite controversial .
The treatment options are as stick with :
Optochiasmatic arachnoiditis is a condition of the heart in which the arachnoid membrane present in the optic socket behind the eye gets inspissate due to infection or trauma . The arachnoid tissue layer at the optic chiasma gets affected , which lead to loss of vision with the passage of metre . Optochiasmatic arachnoiditis is usually accompany by headaches , pain in the eye socket and trouble in sight . It is often misdiagnosed , which then lead to dispatch blindness . Though there are treatments available for optochiasmatic arachnoiditis , but there is no defined therapeutic for it and the treatments aim to allow for just symptomatic relief .
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