نتایج جستجو برای: ocular nerves
تعداد نتایج: 83687 فیلتر نتایج به سال:
purpose: controversy has recently risen about the presence of compensatory ocular countertorsion (coct) after head tilt. this study was performed to define the functional range of this phenomenon. methods: cycloplegic autorefraction was performed on 80 eyes with regular astigmatism 2d. objective autorefraction was performed in normal position, right and left head tilt positions of 5º, 10º, 15º,...
Neurofibromas are relatively common lesions of the nervous system, but only a few cases involving the pinna have been reported. Isolated neurofibroma of pinna without neurofibromatosis has not been reported in the literature so far. Neurofibromas may develop anywhere in the body, including cranial and peripheral nerves. The type of impairment associated with neurofibromas depends largely on the...
Glaucoma is a chronic eye disease and the second most leading cause of irreversible impaired vision in world, which primarily linked with high intraocular pressure (IOP). The treatment glaucoma currently challenging because innate mechanics ocular barriers that limit penetration ophthalmic drugs. To tackle this, various carriers (inorganic-, polymeric-, hydrogel-, or contact lens–based) special...
A 47 year-old Thai man presented with acute bilateral blindness after suffering head trauma in a motorcycle accident. No neurological deficit was found. The visual acuity was light perception with poor light projection on both eyes. Other ocular examinations were normal except ecchymosis on both lower eyelids and mild subconjunctival hemorrhage on the left eye. Emergency computerized tomography...
INTRODUCTION Möbius syndrome is a heterogeneous congenital disorder that is linked to bilateral palsies of the cranial nerves VI and VII, resulting in congenital facial paralysis sometimes associated with impaired ocular abduction. CASE REPORT We present the case of a 44-year-old woman with Möbius syndrome and inferior recurrent keratitis secondary to scleral show in both eyes. We decided to ...
Schwannomas (neurilemmomas) are benign neurogenic tumours of peripheral nerves. They originate from Schwann cells, which form the neural sheath. Although Schwannomas and neurofibromas are the most common primary peripheral nerve tumours, Schwannomas are rarely observed in ophthalmic areas. When they occur, ocular Schwannomas are usually located in the orbit, uveal tract and conjunctiva. Isolate...
INTRODUCTION Invasive fungal pan-sinusitis can present atypically with severe acute visual loss with minimal anterior orbital inflammation. We describe 2 such cases with a background of uncontrolled diabetes. CLINICAL PICTURE Respective clinical presentations of orbital apex and cavernous sinus syndromes were associated with isolation of Aspergillus galactomannan and Rhizopus. TREATMENT Urg...
Orbital apex syndrome is an uncommon but severe ocular complication of craniomaxillofacial fracture. The optimal treatment strategy for this very rare traumatic syndrome has not been well established. We present a case in which traumatic orbital apex syndrome was caused by direct compression from the displaced fracture segments. Visual and extraocular function both improved quickly after emerge...
Congenital cranial dysinnervation disorders are a group of diseases caused by abnormal development of cranial nerve nuclei or their axonal connections, resulting in aberrant innervation of the ocular and facial musculature. Its diagnosis could be facilitated by the development of high resolution thin-section magnetic resonance imaging. The purpose of this review is to describe the method to vis...
Most orbital tumors are nonmalignant. Nonmalignant orbital tumors can arise from any of the structures within the orbit, including blood vessels, fat, nerves, lacrimal gland, and connective tissue. Nonmalignant orbital tumors can be grouped into cystic lesions, vascular tumors, lymphoproliferative lesions, inflammatory lesions, mesenchymal tumors, neurogenic tumors, and lacrimal gland tumors. A...
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