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At least 235 records · Page 13Linked to original sources
PubMed1992

Vertical diplopia onset with first-time bifocal.

A 39-year-old white female presented with symptoms of constant diplopia onset with a first bifocal correction. The association of these conditions required a careful differential diagnosis and special management considerations. Testing indicated an esotropia with a longstanding nonconcomitant superior oblique paresis which became manifest when she began wearing bifocals. A regimen of horizontal vergence range training in combination with a relieving vertical prism in a near correction were prescribed. An amount of prism which allowed comfortable sensory-motor fusion through both the distance and near portion of a bifocal spectacle correction was eventually ascertained. Information regarding etiology, etiologic incidence, differential diagnosis, and management of superior oblique paresis is also presented.

Adult↗
PubMed1998

Corneal aberrations, monocular diplopia, and ghost images: analysis using corneal topographical data.

Corneal irregularities can create conditions in which monocular diplopia, "ghost images," and multiple images of various types occur, thus degrading vision. For these secondary images to occur, corneal irregularities must create areas which form: (1) images which are displaced from the primary image; (2) sufficiently focused images; and (3) images which have sufficient contrast to be noticed in the presence of the primary image. Criteria necessary to satisfy these three conditions using measurable data are developed. The concept of a differential deflection field is introduced, and a method to create this field using corneal topography data is developed. It is shown how to use differential deflection field data to assess if conditions necessary for creating secondary images will occur in cases of corneal distortion.

Algorithms↗
PubMed1996

A rare case of diplopia: medial inferior pontine syndrome or Foville's syndrome.

A case of medial inferior pontine syndrome or Foville's syndrome is described. The patient presented to the emergency department with an acute history of slurred speech, vertigo and diplopia as major complaints. He also mentioned the appearance of weakness and numbness in his left leg. The physical examination revealed a crossed neurological deficit (ipsilateral cranial nerve deficit with contralateral motor weakness) which is typical for posterior circulation stroke in the brainstem territory. In our patient the lesion was located in the right medial inferior pontine region. All the symptoms and signs disappeared within 24 hours confirming the importance of a detailed physical and neurological examination of each patient presenting at the emergency department with a neurological deficit.

Aged↗
PubMed1985

Hydatid cyst: an unusual cause of diplopia.

A 59-year-old man presented with double vision due to vertical displacement of one eye by an infraorbital mass that indented the globe. Some 10 years previously he had had a Caldwell-Luc antrostomy for chronic sinusitis. Following investigation, the antrostomy was revised and an orbital cyst with a histological appearance suggestive of a mucocele was excised via an anterior inferior orbitotomy. The orbital mass recurred with identical symptoms some 18 months later with a second mass confluent with the first, presenting subcutaneously through his zygoma. A further radical antrostomy was performed enabling a diagnosis of a hydatid cyst of the antrum to be made. The unusual features of this rare cause of diplopia are discussed and illustrated. The literature on orbital hydatid cysts is reviewed and recommendations made as regards adequate surgical exposure and not irrigating orbital cysts with noxious agents.

Diplopia↗
PubMed2005

A bitoric rigid contact lens with base down prism to eliminate binocular vertical diplopia.

Prism base down can be incorporated into a rigid gas permeable contact lens to align the diplopic images in a patient who has a significant vertical phoria. A rigid lens may also incorporate both vertical base down prism and a toroidal back surface - the vertical prism to correct the heterophoria and the toric back surface to improve the physical fit of the lens on a highly toric cornea. This paper presents a case where vertical diplopia due to a post-surgical left hyperphoria of about four prism dioptres was eliminated by the incorporation of the appropriate amount of base down vertical prism into a bitoric rigid gas permeable contact lens.

Contact Lenses↗
PubMed1981

The role of corneal distortion in the occurrence of monocular diplopia.

The measurement of anterior corneal surface topography before and during the occurrence of monocular diplopia can be used to predict the angular positions of any secondary images resulting from corneal distortion. The predictions correlate at a statistically significant level with direct measurements of the positions of the secondary images.

Cornea↗
PubMed1981

Television-induced formed visual hallucinations and cerebral diplopia.

A 65-year-old man with ischaemic encephalomalacia following surgery for an aortic arch aneurysm experienced episodes of stereotyped formed visual hallucinations uniquely provoked by television viewing. In addition he noted vertical diplopia of cerebral origin. These symptoms are discussed in the light of what is known about visual hallucinations, television-induced epilepsy, and cerebral polyopia.

Aged↗
PubMed1998

Diplopia in a swimmer due to badly fitting goggles.

An unusual effect of badly fitting swimming goggles is described. The goggles pressed on the trochlea of the left eye, interfering with the action of the superior oblique muscle. Diplopia resulted, which took several weeks to resolve.

Diplopia↗
PubMed2004

Diplopia - an unusual primary manifestation of metastatic renal cell carcinoma.

It is relatively unusual that initial symptoms of renal cell cancer begin with the metastatic involvement of other sites. Intracranial metastases especially in the paranasal sinuses may be unusual not only to surgeons but also to physicians. In this report, we present a case where a metastasis was first manifest as a sphenoid sinus secondary with ocular and visual disturbances prior to the demonstration of the primary tumor site. It turned out to be a case of diplopia masquerading as a metastatic renal cell cancer.

Aged↗
PubMedDate not supplied

Diplopia and involuntary eye closure in spontaneous cerebellar hemorrhage.

Spontaneous cerebellar hemorrhage is of difficult clinical diagnosis. The causes can be varied, but the hemorrhage is most often associated with hypertensive cardiovascular disease. The neurological symptomatology is complex and often misleading. The diagnosis is mainly dependent of familiarity of the eye signs seen in this disease. Among these, the spontaneous unilateral eye closure is presented as an additional striking manifestation. The displacement of the brain stem by the hematoma is frequently associated with a seventh nerve palsy on the side of the hemorrhage. The patient in an effort to obviate the diplopia caused by the gaze dissociations and extraocular motor palsies, has only the option to close the eye on the noninvolved side of the face, and thus the eye remaining open is on the side of the cerebellar hematoma. This paper presents reports of two patients with these symptoms.

Blepharoptosis↗
PubMed1986

Posttraumatic enophthalmos and diplopia.

Malposition of the globe and failure to fuse visual images are late-developing complications of orbital injury. This article reviews the causes of specific sequelae, such as enophthalmos, hypophthalmos, and diplopia, and describes a procedure of strategic implantation of autogenous bone grafts to correct the condition(s). Using quantifiable methods of assessing globe position and motility, the authors demonstrate improvement in 18 of 19 patients. Vision is reported unchanged or improved in 13 sighted patients. Several cases are presented with analyses of preoperative and postoperative photographs. Indications, contraindications, advantages, and disadvantages of the surgical procedure are described and compared to others.

Adolescent↗
PubMed1999

Diplopia after cataract surgery.

This article discusses clinical findings, differential diagnoses, management, and prognoses for patients with persistent diplopia after cataract extraction.

Cataract Extraction↗
PubMed2004

Diplopia and periorbital mass associated with Miragel buckling explant.

A 28-year-old female presented with a palpable mass lesion on the superonasal aspect of her right globe and she had a progressive diplopia. She had a scleral encircling surgery with a Miragel explant (MIRA, Waltham, Mass, USA) for the tractional retinal detachment associated with pars planitis 9 years previously. On examination, she revealed restricted eye movements of her right eye. The magnetic resonance imaging documented a swelling of the Miragel explant that mimicked a periorbital mass lesion. The Miragel explant was removed and fragmentation of the explant was found intraoperatively. The removed Miragel explant was examined by a scanning electron microscopy, and this demonstrated a disintergrated and swollen structural composition of the Miragel explant. Postoperatively, her extraocular movement was almost restored and the retina remained well attached. Alterations in the structural composition of the Miragel explant results in an excessive swelling that causes a restriction of the extraocular movement, and this can mimick a periorbital mass lesion.

Adult↗
PubMedDate not supplied

Binocular diplopia associated with retinal wrinkling.

Four patients with retinal wrinkling and epiretinal membrane formation presented with a unique clinical syndrome consisting of comitant, small angle hyperdeviations with intractable vertical diplopia, and unstable single vision with a failure to respond to conventional prism therapy. The pathophysiology underlying this presentation appears to be the establishment of a rivalry between central and peripheral fusional mechanisms due to mechanical macular distortion.

Adult↗
PubMedDate not supplied

Cyclotorsional diplopia following retinal detachment surgery.

Four patients reporting symptoms of torsional diplopia following retinal detachment repair were seen. One patient most likely had a pre-existing, partially compensated superior oblique palsy as the cause of her vertical deviation and excyclotorsion. A second was found to have the superior oblique tendon adherent anteriorly to the encircling band and buckle just behind the superior rectus insertion, resulting in incyclotorsion. Release of these restrictions reduced the torsion to a small, asymptomatic degree. The third and fourth patients had excyclotorsion for unexplained reasons. Removing the scleral exoplant and Harada-Ito type surgery on the superior oblique tendon did not relieve the symptoms and only minimally reduced the excyclotorsion in one patient. A second procedure, with advancement of the anterior portion of the superior oblique tendon, successfully eliminated cyclotorsional symptoms.

Adolescent↗
PubMed2006

Frontoethmoidal mucocele with intraorbital extension: an unusual cause of diplopia.

Frontoethmoidal mucoceles are pseudo-cystic lesions which may present with orbital symptoms. A case of frontoethmoidal mucocele in an elderly lady is described who presented with diplopia primarily and was diagnosed with CT scan regarding primary pathology and intraorbital extension. Recovery followed surgical excision and orbital clearance.

Aged↗
PubMed1996

Prolonged diplopia following a mandibular block injection.

A case is presented in which a 14-yr-old girl developed diplopia after injection of the local anesthetic Xylotox E 80 A (2% lidocaine with 1:80,000 epinephrine). Since the complication had a relatively slow onset and lasted for 24 hr, the commonly suggested explanations based on vascular, lymphatic, and neural route theories do not adequately fit the observations. No treatment, other than reassurance, was necessary, and the patient recovered fully.

Adolescent↗