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 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Dissociated vertical deviation (DVD) is an enigmatic strabismus entity for which various theories of causation have been proposed. Commonly seen in association with infantile esotropia, it responds unpredictably to surgical intervention hence fuelling theories for a supranuclear center defect albeit at the midbrain level. Cases of DVD associated with A- pattern eso or exotropia and superior oblique overaction have been reported, although rarely. We report a case of bilateral congenital ptosis associated with this complex. Not reported earlier, we hope this case may help in better understanding of the obscure etiology of this symptom complex.
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PMID:A case of A-pattern esotropia with dissociated vertical deviation with bilateral congenital ptosis. 1897 31

Tolosa-Hunt syndrome (THS) is characterized by unilateral painful ophthalmoplegia with oculomotor paresis, associated with an idiopathic granulomatous inflammation involving the cavernous sinus, with a typical relapsing-remitting course. We report a case of an 8-year-old girl who was admitted because of an ophthalmoplegia with exotropia and ptosis of the left eyelid, accompanied by diplopia and left sovraorbital pain. The clinical data, neuroradiological findings and response to steroid treatment suggested THS, as defined by the 2004 International Classification of Headache Disorders (ICHD)-II criteria. THS must be considered a possible cause of painful ophthalmoplegia in childhood, as well as in adults, and confirmed with a focused neuroradiological investigation. The few paediatric cases described in the literature that meet the 2004 ICHD-II criteria are not sufficient to identify possible differences between the paediatric and the adult forms. Every new paediatric case should therefore be reported in order to gather and compare further information.
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PMID:The Tolosa-Hunt syndrome in children: a case report. 1955 37

Wall-eyed bilateral internuclear ophthalmoplegia (WEBINO) is an uncommon neuro-ophthalmologic syndrome consisting of both eyes primary position exotropia and bilateral internuclear ophthalmoplegia. It is thought to be caused by medial midbrain lesions involving both bilateral medial longitudinal fasciculi and medial rectus subnuclei. We report the clinical and neuroimaging findings of a WEBINO syndrome associated to bilateral ptosis, non-reactive mydriasis and complete vertical gaze palsy in a 55-year-old man who suffered a top of the basilar artery stroke causing tegmental midbrain infarction.
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PMID:A variant of WEBINO syndrome after top of the basilar artery stroke. 2061 8

We report a case of longitudinal avulsion of the inferior rectus muscle following orbital floor fracture and describe its clinical presentation, computed tomography (CT) features and management. A 53-year-old man felt vertical diplopia in all gaze immediately after the trauma. Orthoptic assessment showed left over right hypertropia of 20 prism diopters and left exotropia of 10 prism diopters in primary position. The left orbital floor fracture and the prolapse of orbital contents into the maxillary sinus were presented by CT. Exploration of the orbit was performed under general anesthesia. The displaced bone fragment was elevated and repositioned below the slastic implant. Diplopia continued in all directions of gaze, although the impairment of depression was reduced postoperatively. A residual left hypertropia of 10 prism diopters and exotropia of 10 prism diopters was present in primary position 1 month after surgery, though there were no enopthalmos or worsening of hypesthesia. Repeated CT revealed the muscle avulsion of inferior rectus at the lateral portion of the belly. The avulsion of a small segment of the inferior rectus and its herniation into maxillary sinus in more posterior views was detected by review of the preoperative images. Muscle avulsion should be considered in the management of orbital fracture if orbital tissue entrapment and nerve paresis are excluded as causes of reduction in ocular motility. A thorough review of the imaging studies for possible muscle injury is required before surgery in all cases of orbital fracture.
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PMID:Longitudinal tear of the inferior rectus muscle in orbital floor fracture. 2255 69

Ptosis, anisocoria, loss of accommodation, incomitant exotropia, vertical and torsional disorders are the obstacles for binocularity after a traumatic III nerve palsy when a usable fusion field of vision with a more or less level head is to be acheived. To accept monocular vision may be the best choice in many cases. Therapeutic efforts to restore binocularity must deal with all aspects of the palsy. Strongly contraindicated are uncritical ptosis operations or simple repositioning interventions on the fellow eye to merely reduce the angle. Those who have a good knowledge of the entire spectrum of ocular muscle surgery, have experienced contact lens specialists at hand, and are proficient in all procedures of refractive lens surgery may, after comprehensive patient counselling, attempt to treat these patients and can in isolated cases achieve functionally useful results.
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PMID:[Traumatic III nerve palsy]. 2309 44

Crouzon and Apert syndromes are frequently complicated by ocular abnormalities and patients with these syndromes often present with abnormal ocular morphology. The present study assesses orbital volume and ocular complications in patients associated with Crouzon and Apert syndromes.During an 8-year period starting in 2002, fronto-orbital advancement was used for cranial expansion on 23 cases of syndromic craniosynostosis. Of those, it was possible to evaluate 5 Crouzon and eight Apert syndrome cases. Orbital volume was measured using multislice CT scans. Both preoperative and postoperative orbital volumes were compared with normal orbital volume.Preoperative orbital volume was 5.8 to 10.0 cm (mean, 7.1 cm) in patients with Crouzon syndrome and 7.2 to 10.8 cm (mean, 9.1 cm) in patients with Apert syndrome. Postoperative intraorbital volume was 9.4 to 11.2 cm (mean, 10.4 cm) in patients with Crouzon syndrome and 11.6 to 13.2 cm (mean, 12.4 cm) in patients with Apert syndrome. The mean of orbital volume relative to the normal volume was 58% preoperatively and 74% postoperatively in patients with Crouzon syndrome and 69% (56-81%) preoperatively and 88% (81-95%) postoperatively in patients with Apert syndrome.In conclusion, orbital volume was smaller in the Crouzon syndrome group than in the Apert syndrome group, and symptoms, such as exophthalmos and exotropia, were noted in the Crouzon syndrome group. Orbit expansion did not fully restore normal orbital volume, but in most cases, it was useful for alleviation of preoperative symptoms (exophthalmos/eyeball prolapse, corneal erosion, conjunctivitis).
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PMID:Preoperative and postoperative orbital volume in patients with Crouzon and Apert syndrome. 2334 83

We describe two brothers with Joubert syndrome (JS). JS diagnosis was made on the basis of neurological findings and the presence of the characteristic "molar tooth sign", which was subsequently confirmed by magnetic resonance imaging. Both brothers demonstrated ptosis, hypotropia, exotropia, and horizontal pendular nystagmus. The younger brother had mild chorioretinal discoloration at the peripapillary region in both eyes, and a small coloboma at the inferior region of his right optic disc. The elder brother had coloboma in his right eye and a colobomatous optic disc in his left eye. Optical coherence tomography showed that the foveal architecture was preserved in both patients. We discuss the ocular findings, including those from optical coherence tomography, in JS, which has recently been recognized as ciliopathy.
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PMID:Ocular findings in two siblings with Joubert syndrome. 2453 Nov 65

Venomous snakes with hematotoxin-Russell's viper (Daboia spp), Malayan pit viper (Calloselasma rhodostoma), and green pit viper (Cryptelytrops albolabris and C macrops, previously named Trimeresurus spp) are commonly found in Thailand. Coagulation factor activation, thrombocytopenia, hyperfibrinolysis, and disseminated intravascular coagulation are the main mechanisms of hemorrhaging from these snake bites. The neurological involvement and hepatocellular injury after Russell's viper bites were reported in Sri Lanka, but there is no report from Southeast Asia. This case was a 12-year-old hill tribe boy who had ptosis and exotropia of the left eye, respiratory distress, and prolonged venous clotting time, prothrombin time, and activated partial thromboplastin time; low fibrinogen and platelet count; and transaminitis after being bitten by a darkish-colored snake. He did not respond to antivenom for cobra, Malayan pit viper, or Russell's viper. However, his neurological abnormalities, respiratory failure, and hepatocellular injury improved, and coagulopathy was finally corrected after receiving antivenom for green pit viper. The unidentified snake with hematotoxin was alleged for all manifestations in this patient.
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PMID:Neurological Involvement and Hepatocellular Injury Caused by a Snake With Hematotoxin Envenomation. 2589 Aug 58

A cross-sectional survey of the prevalence of eye injuries among primary school children in two noncontiguous local government areas of Enugu State of Nigeria was undertaken. One of the local government areas was urban, while the other one was rural. Children who were <15 years in two randomly selected primary schools in the urban area and three randomly selected schools in the rural area were interviewed and examined with Snellen chart, pen torch, head loupe, and direct ophthalmoscope. The findings were recorded using a semi-structured questionnaire and the World Health Organization Programme for Prevention of Blindness (WHO/PBL) eye examination form. Training on visual acuity measurement was done for each of the class teachers. A total of 1,236 children <15 years of age were studied and analyzed. Slightly more females, 652 (52.8%), than males, 584 (47.2%), constituted the sample population giving a female/male ratio of 1.1:1. A total of 98 (7.93%) children had evidence of injury to the eye or its adnexa. Eyelid scar was the commonest (5.34%) followed by eyebrow scar (2.10%). Canthal scar was the next (0.32%). Two girls had monocular blindness from eye trauma (0.16%). One had leucoma, while the other had a dislocated lens. All the monocular blind children of this study were from the urban area. The home was the commonest environment for an eye injury (69.39%) followed by the school (20.41%). The farm was next in frequency (7.14%), especially among boys in the rural area. The church and the road/street constituted the remainder. Regarding persons causing the injury, the child's playmate was the commonest (55.10%) followed by self (27.55%). Parents and guardians were the next (9.18%). These were injuries associated with corporal punishment. Corporal punishment-related eye injury, according to this study, appears to be common in the rural area and affects boys predominantly. Other human intermediary agents that cause an eye injury include passersby (2.04%), RTA (2.04%), siblings (2.04%), and others (1.02%). The primary agents that caused an eye injury were sticks/wood, 29 (29.60%); stone, 21 (21.43%); pieces of metal, 19 (19.39%); fall, 10 (10.20%); fight/fist blow, 9 (9.918%); plastic, 2 (2.04%); fingernails, 2 (2.04%); farm tools/fruits, 2 (2.04%); and RTA, glass, and headbutt, each 1.02%. Farm implements/fruits as well as fingernails appear to be fairly common primary agents that cause an eye injury in the rural Enugu, Nigeria. In terms of prevalence, there was no significant difference between the urban and rural areas. The findings from this study showed a high prevalence of eye injury among primary school children. In terms of treatment, 58.16% of the children with an eye injury had no form of treatment for it. The children from this study with monocular blindness did not receive adequate medical treatment. Treatment of an eye injury, according to this study, was sought from chemists (19.39%), at hospital/health centers (16.33%), at home (3.06%), and from traditional healers (3.06%). The persons who treated an eye injury, as observed from this study, were doctors (14.29%), nurses (4.08%), chemists (17.35%), and traditional healers and fathers (3.06% each). The frequency of noninjury-related diagnosis made in this study was refractive error, 4.85%; allergic conjunctivitis, 1.94%; oculocutaneous albinism, 0.24%; prepapillary vascular loops, 0.40%; and then ptosis, exotropia, stye, corneal opacity, and retinitis pigmentosa, 0.08% each. The annual incidence of an eye injury according to this study was 3.48%. The majority of the causes of an eye injury, as per this study, were preventable. Appropriate promotion of preventive eye care among children may go a long way in reducing the burden of blindness from eye injuries.
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PMID:Eye Injuries Among Primary School Children in Enugu, Nigeria: Rural vs Urban. 2612 86

Visual impairments are common after traumatic brain injury (TBI) and negatively affect quality of life. We describe a 39-year-old woman with a severe TBI who was evaluated by the inpatient optometry and vision rehabilitation service with findings of complete right homonymous hemianopia and right cranial nerve III palsy with 30-degree right exotropia (eye turn out) and complete right ptosis (eyelid will not open). The 30-degree exotropia advantageously generated 30 degrees of right visual field expansion when the right ptosis was treated with a magnetic levator prosthesis, which restores eyelid opening. Once opened, the patient used visual field expansion derived from a right exotropia to overcome functional impairments caused by right hemianopia. Field expansion improved the patient's wheelchair mobility and reaching tasks during inpatient therapy. This is the first report of visual field expansion by strabismus facilitated by correction of ptosis. Strabismus should be considered for its potential field expansion benefits when homonymous visual deficits are present, before considering patching. A multidisciplinary vision rehabilitation team is well suited to make this determination.
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PMID:Restoration of Vision After Brain Injury Using Magnet Glasses. 2755 50


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