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1.
Indian J Ophthalmol ; 2011 Mar; 59(2): 103-109
Article Dans Anglais | IMSEAR | ID: sea-136151

Résumé

Visual field assessment is important in the evaluation of lesions involving the visual pathways and should be performed at baseline and periodically in the follow-up. Standard automated perimetry has been shown to be adequate in neuro-ophthalmic practise and is now the technique of choice for a majority of practitioners. Goldman kinetic visual fields are useful for patients with severe visual and neurologic deficits and patients with peripheral visual field defects. Visual fields are useful in monitoring progression or recurrence of disease and guide treatment for conditions such as idiopathic intracranial hypertension (IIH), optic neuropathy from multiple sclerosis, pituitary adenomas, and other sellar lesions. They are used as screening tools for toxic optic neuropathy from medications such as ethambutol and vigabatrin. Visual field defects can adversely affect activities of daily living such as personal hygiene, reading, and driving and should be taken into consideration when planning rehabilitation strategies. Visual field testing must be performed in all patients with lesions of the visual pathway.

2.
Indian J Ophthalmol ; 2008 Jan-Feb; 56(1): 39-43
Article Dans Anglais | IMSEAR | ID: sea-69893

Résumé

PURPOSE: To evaluate the subjective and objective cyclodeviational changes following different weakening procedures on superior and inferior oblique muscles. DESIGN: Comparative case series. MATERIALS AND METHODS: In a prospective institution based study, 16 cases of A pattern horizontal strabismus having superior oblique overaction were randomized to superior oblique weakening procedures: either silicon expander or translational-recession. Similarly, 20 cases of V pattern horizontal strabismus with inferior oblique overaction were randomized for inferior oblique weakening procedures: either 10 mm Fink's recession or modified Elliot and Nankin's anteropositioning. Cyclodeviation was assessed subjectively with the synoptophore and objectively using the fundus photograph before surgery and 3 months postoperatively. Change in cyclodeviation was measured by subjective and objective methods. The index of surgical effect (ISE) was defined as the net torsional change postoperatively. RESULTS: The difference between the extorsional change induced by the two superior oblique procedures, silicone expander (-6 degrees ) and translational recession (-11.3 degrees), was statistically significant (P=0.001). Translational recession caused more extorsional change (ISE=296%) than silicone expander surgery (ISE=107%). The two inferior oblique weakening procedures, Fink's recession (+2.5 degrees) and modified Elliot and Nankin's anteropositioning (+4.7 degrees) produced equitable amount of intorsional shift with no statistical difference (P=0.93). Objective measurements were significantly more than the subjective measurements. CONCLUSIONS: Different weakening procedures on oblique muscles produce different changes in cyclodeviation, which persists even up to 3 months. Subjective cyclodeviation is less than the objective measurements indicating partial compensation by sensorial adaptations.


Sujets)
Adolescent , Adulte , Enfant , Enfant d'âge préscolaire , Convergence oculaire , Femelle , Humains , Mâle , Muscles oculomoteurs/chirurgie , Strabisme/physiopathologie
3.
Indian J Ophthalmol ; 2002 Sep; 50(3): 217-9
Article Dans Anglais | IMSEAR | ID: sea-71508

Résumé

We report two cases clinically diagnosed as idiopathic uveal effusion syndrome, where indocyanine green angiogram suggest non-specific choroidal inflammation as the underlying cause. Treatment with non-steroidal anti-inflammatory drugs was beneficial.


Sujets)
Adulte , Agents colorants/diagnostic , Diagnostic différentiel , Exsudats et transsudats , Angiographie fluorescéinique , Humains , Vert indocyanine/diagnostic , Mâle , Adulte d'âge moyen , Décollement de la rétine/diagnostic , Syndrome , Maladies de l'uvée/complications , Acuité visuelle
4.
Indian J Ophthalmol ; 2002 Sep; 50(3): 220-1
Article Dans Anglais | IMSEAR | ID: sea-71387

Résumé

We report the case of a 35-year-old aphakic patient who developed an intractable secondary glaucoma due to angle closure after pupillary block following the use of perfluoropropane (C3F8) gas at a nonexpansile concentration of 14%.


Sujets)
Adulte , Antihypertenseurs/usage thérapeutique , Aphakie après chirurgie de la cataracte/complications , Fluorocarbones/effets indésirables , Glaucome à angle fermé/étiologie , Humains , Mâle , Décubitus ventral , Troubles pupillaires/induit chimiquement , Décollement de la rétine/traitement médicamenteux , Résultat thérapeutique , Acuité visuelle
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