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[Silent sinus syndrome: a rare case of enophthalmia].

INTRODUCTION: The causes of spontaneous enophthalmos, without trauma, surgical factors, or systemic illness, which can be found are rare. A particular entity called silent sinus syndrome in the Anglo-Saxon literature, which concerns the long-term effect of hypoventilation of the maxillary sinus responsible for an attraction of the sinus walls, resulting in sagging of the orbital floor, itself responsible for the enophthalmos. CASE REPORT: We report the case about a 29-year-old woman, presenting a left-side spontaneous enophthalmos, with sinus-type pains for 2 months. The clinical examination revealed a horizontal diplopia when looking leftwards. Computed tomography showed a maxillary homolateral sinusitis with characteristic attraction of the sinus walls. The draining of the sinus collection by inferior endoscopic enlargement of the maxillary ostium led to pain resolution. The enophthalmos and diplopia were stabilized. CONCLUSION: After eradicating the orbital causes of enophthalmos, the sinus causes were sought more precisely, the pauci-symptomatic causes such as the silent sinus syndrome. The recognition of this syndrome stopped the progression of enophthalmos by making the maxillary sinus permeable again. A surgical reconstruction of the orbital floor can be proposed in order to correct the motility of the eyes and esthetic considerations.

Adult↗

Internuclear ophthalmoplegia (INO): an unusual presentation of neuropsychiatric lupus erythematosus.

BACKGROUND AND PURPOSE: INO in SLE is uncommon, affecting < 5% of hospitalized SLE patients. A MEDLINE search 1966-2001 revealed only 22 reported cases. INO also rarely presents with diplopia. We report such a case. CASE REPORT: A 35 year old woman with long standing SLE developed the abrupt onset of diplopia, vertigo and ataxia. Physical examination was remarkable only for the neurologic examination with a left INO and abnormal cerebellar testing. Treatment with corticosteroids and intravenous cyclophosphamide resulted in resolution of her cerebellar and ocular symptoms.

Adult↗

Case report: Extraocular muscle paresis caused by snakebite.

A 51 year-old man presented with binocular diplopia on the three days after the snakebite in the fifth finger of the right hand by an Agkistrodon blomhoffi (mamushi). In the primary position he had an exotropia and right hypertropia, which became apparent when his head was tilted to the right. From ocular angle of deviation measured by synoptophore and Hess chart test, he was diagnosed as having medial rectus muscle paresis as well as inferior oblique muscle paresis of the left eye. Elevation deficit on right gaze in the left eye had remained during three days. Our case suggested that the occurrence of subjective binocular diplopia is an important clinical sign for the onset of general abnormalities caused by snakebite.

Animals↗

[Sequelae of zygomatic-orbito-maxillary fractures. Report of 70 cases and review of literature].

Fractures of the zygomatic-orbito-maxillary complex (ZOM) are among the most frequent in maxillo-facial surgery. The study evaluates treatment for this type of fracture in the long-term and the sequelae linked to it. Patients who had been operated between february 1998 and november 1999 to reduce and retain ZOM fractures were subjected to check-up examination at the Maxillo-Facial Surgery Operative Unit, Florence. Cases selected had been operated via trans-oral access with incision of the superior vestibular fornix and where necessary with application of means of retention (Foley balloon and/or wire or plate-and-screw osteosynthesis). In these patients, the presence of residual deformities was evaluated together with enophthalmos, diplopia, compromised mouth opening if present, inflammation of the mucosa of the maxillary sinus, and above all incidence of sensory deficit in the distribution area of the infra-orbital nerves and the dental plexus. Particular attention was paid to evaluating tooth sensitivity on the side involved by the trauma, for any damage of the dental plexus. The most frequent sequela found in our group was lesion of the infra-orbital nerves, and a lower percentage of other sequelae such as residual deformities, enophthalmos or diplopia. Interestingly, in all cases in our series there was a significant reduction in tooth sensitivity on the side of the lesion, above all in the anterior sectors.

Adult↗

[Principles of treatment of traumatic orbit deformations during the late period (a 40-year experience)].

The treatment results of 1000 patients with traumatic orbit deformations covering a 40-year experience gathered by personnel of the chair for eye diseases of Sechenov's Moscow Medical Academy are presented. The authors define the key clinical symptoms of orbit trauma during the late period, i.e. enophthalmos, hypophthalmos and diplopia; pathogenetic motivations for the onset of the above symptoms are described. A scheme of complex treatment is suggested for patients with fractures in the orbit walls, including, with respect to individual indications, conservative therapy, restoration of the osseous orbit skeleton and myoplastic correction of residual diplopia. It is pointed out that, provided the scope and peculiarities of surgical treatment are correctly determined, the efficiency of treatment of patients with traumatic orbit deformations reaches 99.7%. Subsequent methods of optimizing the complex treatment of patients with fractures in the orbit walls are defined.

Adult↗

[Using a botuline toxin diagnostic test in a case of bilateral stilling--Türk--Duane (STD) syndrome found during preparation for cataract surgery].

PURPOSE: The presentation of complex procedures in preoperative diagnosis, allowing the evaluation of reaction of a patient with bilateral STD syndrome, to a potential change in the long-lasting ocular motility disturbances and corrective head position. MATERIAL AND METHODS: The botuline toxin was injected into the medial rectus muscle of the eye with greater motility disturbance in convergent strabismus. It was discovered during preparation for cataract surgery in a 45 years old female with STD Syndrome I type. Due to reduced visual acuity the diagnosis of binocular vision were performed after bilateral cataract surgery. We were afraid that the fixed sensory status of the patient would change, and therefore we performed botuline injections. Strabismus angle, ocular motility and diplopia were assessed and compared. RESULTS: The reduction of strabismus angle was achieved with no diplopia. The patient no longer needed the corrective head position, with binocular vision present while looking straight ahead. Also, a slight improvement was obtained in the abduction motility of the eye to which botuline toxin was injected. CONCLUSION: Preoperative diagnostic botuline toxin injection into the rectus medial muscle of the eye with greater motility disturbance, gives an effect of strabismus reduction. This allows for further decisions of whether, and what type of surgical treatment should be performed.

Abducens Nerve↗

Graded partial tenotomy of vertical rectus muscles for treatment of hypertropia.

PURPOSE: To evaluate the effectiveness of graded (adjustable intraoperatively) partial vertical rectus muscle tenotomy at the insertion in correcting small degrees of hypertropia. METHODS: All patients with best-corrected visual acuity of better than 6/30 in both eyes who over a 30-month period underwent partial tenotomy of vertical rectus muscle(s) only (no concurrent oblique muscles) were included. Improvement was evaluated 6 weeks postoperatively as change in alignment in prism diopters (PD) in primary gaze and in the field of action of the affected rectus muscle(s). Binocular function was evaluated by Titmus stereoacuity and the Worth 4-light tests. RESULTS: All 24 patients who met criteria for inclusion had diplopia preoperatively versus seven patients (29%) postoperatively (P < .005, Student's paired t test). Prisms were used by six preoperatively versus two postoperatively (P < .05, Student's paired t test). The average vertical deviation in primary gaze decreased from 8 PD to 2 PD (P < .005, Student's paired t test). In the field of action of the treated rectus muscle, hypertropia decreased from an average of 8 PD to 3 PD (P < .005, Student's paired t test). For the preoperative and the postoperative assessments available, stereoacuity improved after 10 (56%) of the 18 procedures and Worth 4-light testing showed improvement or maintenance of fusion after 15 (79%) of 19 procedures. CONCLUSIONS: Graded vertical rectus partial tenotomy can effectively reduce small degrees of hypertropia and associated diplopia, improve binocular function, and reduce or eliminate the need for prism correction.

Depth Perception↗

[Isolated crossed superior rectus palsy in a midbrain infarction].

A 61-year-old man suddenly heard tinnitus and diplopia at night during watchinng television. A few days later he visited at our hospital. Neurologically he exibited marked isolated right superior rectus palsy which was also indicated by the Hess test. No other neurological abnormalities were found such as other ocular muscle paresis, cranial nerve palsies, hemiparesis, sensory impairement or cerebellar ataxia. MRI showed a left medial thalamic infarction extending to a rostral part of the midbrain anterolateral to the cerebral aqueduct at the superior colliculi level. Unilateral superior rectus palsy can rarely be caused by a contralateral midbrain infarction, because fibers from the subnucleus subserving the superior rectus decussate within the oculomoter nerve complex. In this case the crossing fibers toward the contralateral superior rectus may have been selectively involved by a tinny lesion in the area of the oculomotor nucleus. The patient had a slightly narrowed right palpebral fissure. It is indicated that crossing fibers toward the contralateral levator muscle of the eyelid may be also involved. The patient's diplopia completely resolved two months later after the onset.

Brain Infarction↗

Acquired Brown's syndrome associated with hypogammaglobulinemia.

We describe a 10-year-old girl with hypogammaglobulinemia who presented initially with painless progressive diplopia on right upward gaze and associated tenderness in the area of the superior oblique tendon (Brown's syndrome). She was given prednisone (40 mg/day) with gradual improvement of her symptoms. Prednisone was tapered and her symptoms remained unchanged for 10 months. She then experienced rapid deterioration. Prednisone was reinstituted with similar improvement and then therapy was switched to naproxen. She remains with only slight diplopia on extreme upward gaze.

Agammaglobulinemia↗

The prism dissociation test in detecting unilateral functional visual loss.

The prism dissociation test is useful in quantifying visual acuity in an eye with functional unilateral visual loss, whether severe or mild in degree. A small vertical prism is used to induce diplopia of a 20/20 or larger size projected Snellen letter, and the patient is asked to comment on the quality of each image seen. The acknowledgement of diplopia and comments on the clarity of the dissociated images serve as testimony to the actual level of visual acuity in each eye. In one case, a patient feigned 20/50 visual acuity in one eye after trauma. The prism dissociation test confirmed visual acuity of 20/20 in that eye, as well as excluding an abnormality of contrast sensitivity. In another case, an amblyopic eye previously noted to have 20/30 visual acuity, which allegedly had acute severe visual loss, was documented to have 20/30 visual acuity by the prism dissociation test.

Diplopia↗

The importance of multiple treatment modalities in a case of divergence excess.

Divergence excess strabismus is a fairly common anomaly of binocular vision, characterized by constant or intermittent exotropia at distance, absence of significant amblyopia, and normal stereopsis at near. Optometric vision therapy is often effective in treating this condition. In contrast to the emphasis orthoptists (under ophthalmologic supervision) place upon pathological diplopia awareness, optometric vision therapy emphasizes development of sensory fusion and proprioceptive cues to eye alignment. A case is presented in which pathological diplopia awareness and surgery were needed to produce a functional cure after the patient failed to achieve consistent eye alignment using the regimen commonly advocated by optometrists.

Child↗

Paresis of cranial nerves III, IV, and VI: clinical manifestation and differential diagnosis.

Successful identification of the cranial nerve and ocular muscle responsible for a subjective complaint of diplopia requires an evaluation of the type and character of the double vision and not infrequently the use of a red glass or Maddox rod, especially in incomplete and subtle cases. An isolated third nerve lesion is most commonly seen with a supraclinoid aneurysm (pupil dilated and fixed), vascular disease (pupil spared), and trauma. Mild frontal head trauma and vascular disease are the most common etiologies associated with an isolated fourth nerve paresis. Tumor, vascular disease and trauma should be prime considerations when a patient presents with an isolated sixth nerve paresis. A child's diagnostic possibilities will differ from the adult: third nerve (congenital), fourth nerve (congenital), and sixth nerve (brainstem glioma, postviral or inflammatory). Finally, myasthenia gravis can readily mask or mimic an isolated or mixed cranial nerve palsy. A Tensilon test is always indicated in unexplained diplopia with ophthalmoplegia and normal pupils.

Abducens Nerve↗

[Use of nerve division in oculomotor paralysis].

Sectors have a double interest in an extraocular muscle palsy: to avoid the diplopia and to aid the reeducation of palsied muscles. Patient can alternatively wear the two types of glasses with sectors. Authors decrease sector's size when motility improves. They are stopped if regression, and in other cases, patients can wait surgical time with maximum comfort. Clinical examples are presented: VI, III and IV cranial nerve palsies and generalized diplopia.

Abducens Nerve↗

[A case of medullary infarction presented lateral medullary syndrome and respiratory arrest after ataxic respiration].

We reported a 71-year-old male with lateral medullary syndrome presented acute respiratory arrest after ataxic respiration. The patient had experienced transient diplopia repeatedly for about 2 weeks and then the developed persistent diplopia and vertigo. On the third day he was admitted to our hospital because of neurological deterioration and aspiration pneumonia. He showed left Horner's sign and double vision. And he had sensory disturbances of pain and temperature in the left face and the right side of the body, left limb ataxia and truncal ataxia. He showed dysarthria, severe dysphagia and left mild central facial paresis, but no hemiparesis. This case was clinically considered to be a typical case of left lateral medullary syndrome. When he was admitted to our hospital, he showed hypoxia with hypercapnea in spite of no history of chronic obstructive pulmonary disease. This condition was considered to be a central alveolar hypoventilation. He had two episodes of sudden-onset respiratory arrest following ataxic respiration on the 4th and 5th days, but no cardiac arrest. He was supported his respiration by mechanical ventilation until he was able to breathe spontaneously on the 29th day. The 22nd day MRI disclosed high intensity area in the left lateral and dorso-medial medulla in T2-weighted image, and this lesion was 1.5 cm in length. Therefore this case was diagnosed medullary infarction. This case developed ipsilateral facial pain in chronic stage. Pain existed around the eye and in the cheek, and pain was like toothache and unbearable like thalamic pain.(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗

[Orbital blow-out fractures. Therapeutic results].

37 patients treated surgically for orbital blow-out fractures were reviewed retrospectively. 29 had diplopia before and four after operation. The diplopia was present only in extreme gaze positions and was not troublesome to the patients. Enophthalmus was present in 19 patients preoperatively and in six postoperatively. Of six patients treated conservatively one developed a moderate enophthalmus. There were no significant postoperative complications.

Adolescent↗

Edrophonium test in myasthenia: quantitative oculography.

The response of eye movements to edrophonium is easily missed by clinical observation alone. Binocular horizontal ten degree saccades were recorded by infrared oculography, whilst the vision of one eye was occluded, before and after fatigue repeated intravenous injection of dilute edrophonium, and fatigue induced during anticholinesterase inhibition by intravenous edrophonium, in 26 patients with diplopia or ptosis of uncertain aetiology. The most reliable criterion of a positive response was an increase in the amplitude of the saccades of the fixating eye by 10% or more after each of several injections of dilute edrophonium. The response was positive in 13 patients and was difficult to observe clinically when the responses of the saccades of the eyes moving conjugately were unequal and when the patient presented with ptosis and no diplopia. Edrophonium infrared oculography proved to be a sensitive test for weakness due to the neuromuscular junction defect of myasthenia gravis affecting extraocular muscles.

Aged↗

Management of eye movement restriction (particularly vertical) in dysthyroid myopathy.

Sixteen cases of vertical rectus muscle myopathy in dysthyroid patients are described. In mild cases without diplopia prisms may be adequate treatment. When uncomfortable diplopia is present surgery is indicated when the muscle dysfunction has become stable. Even after surgery further contracture is often experienced, particularly after Ogura antral decompression. The amount of correction obtained by recession of a contracted muscle is greater than that following ordinary strabismus surgery so that usually only one muscle should be operated upon at a time. Care should be exercised in tenotomy of severely contracted muscles. The prognosis is excellent in dysthyroid myopathy if the patient permits the required number of surgical procedures which may be necessary.

Adult↗

The ocular manifestations of multiple sclerosis.

Multiple sclerosis is a disease of the central nervous system whose clinical manifestations include animportant group of ocular pathologies, e.g., unilateral retrobulbar neuritis, uveitis, decreased visual function, nystagmus, internuclear ophthalmoplegia, diplopia, optic papillitis and Marcus Gunn pupil. Additionally, it is not generally appreciated that bitemporal hemianopia, usually associated with tumors of the optic chiasm, may also result from multiple sclerosis. Since most of a patient's life is spent in the remission phase of the disease, it is important for the practitioner to recognize the ocular findings present during this period. Additionally, studies have shown that such patients lead longer and more productive lives than most practitioners realize, and often have prolonged periods of remission. While the onset of the disease may present with ocular symptoms, such as loss of vision or diplopia, the patients tend to recover and retain relatively good function for many years.

Adolescent↗