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Results for “Exotropia”

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At least 253 records · Page 14Linked to original sources
PubMed1999

Fresnel prism treatment of sensory exotropia with restoration of sensory and motor fusion.

Anterior segment surgeons may treat patients with long-standing media opacities or uncorrected aphakia who have developed sensory strabismus. These patients are at risk for diplopia after surgery to clear the visual axis and restore emmetropia. This report describes 2 patients who regained comfortable single binocular vision without strabismus surgery. Sensory fusion was restored with Fresnel prisms, which were weaned and ultimately discarded as the patients' motor fusion was re-engaged after decades of disuse. Surgeons who restore vision in an eye with manifest sensory strabismus should be aware of this noninvasive, well-tolerated treatment option. Collaboration with an orthoptist or strabismologist may be helpful.

Aged↗
PubMed1985

The longitudinal horopter in exotropia.

The method of repeated measures was applied to a group of 4 exotropes in order to test the hypothesis that irregularities in their day-to-day longitudinal horopter findings were caused by random horizontal vergence eye movements. Determining the mean of several sets of replications smoothed out the horopter. Horopters in exotropes appear to be very similar to those found in normal binocular subjects.

Aged↗
PubMed1986

Suppression and retinal correspondence in intermittent exotropia.

Suppression scotomas and retinal projection (retinal correspondence) were measured in six intermittent exotropes during deviation. Measurements used red-green anaglyph stimuli presented on a black background which could be varied from 3.4 minutes of arc to 3 degrees 24'. Results showed non-suppression of all points between the fovea and the diplopia point. Harmonious anomalous retinal correspondence was usually observed. Two subjects had spontaneous changes from anomalous retinal correspondence to normal retinal correspondence without a concurrent change in ocular position. Conventional testing resulted in more variable results in regard to retinal correspondence and suppression, suggesting that non-suppression and anomalous retinal correspondence occur when black backgrounds are used for testing.

Exotropia↗
PubMedDate not supplied

Long-term outcome of patients with large overcorrection following surgery for exotropia.

To provide long-term surgical results for patients with large initial overcorrection following surgery for exodeviation, 68 consecutive patients with initial overcorrection of 20 prism diopters (PD) or more at distance or near following surgery for exodeviation performed between 1994 and 2002 were included in this study. The patients were managed with an alternate full-time occlusion, echothiophate iodide, or prism glasses for the period of overcorrection. One day postoperatively, the amount of overcorrection was 8--40 PD at distance and 0--35 PD at near, and decreased to 10 PD or less both at distance and near vision within 4 weeks postoperatively in 49 patients (72%). Seven patients needed prism glasses for esotropia of less than 10 PD. Four patients (5.9%) needed a reoperation for consecutive esotropia and 1 patient for postoperative hypotropia following recession of the superior and lateral rectus. The final outcome showed orthophoria to exo/esodeviation of 10 PD in 11 patients (16%) at near or distance. In conclusion, overcorrection was reduced to 10 PD or less at distance and near within 4 weeks after surgery in most patients. Even with initial overcorrection of 20 PD or more after surgery for exodeviation, reoperation for consecutive esotropia was necessary only in 5.9% of the patients.

Adolescent↗
PubMedDate not supplied

Hang-back lateral rectus recessions for exotropia.

The hang-back recession is a simple, safe alternative to conventional recession. We evaluated the surgical results in 23 consecutive patients undergoing bilateral hang-back lateral rectus recessions and 24 consecutive patients undergoing bilateral conventional lateral rectus recessions. The 6-week postoperative success rate was 78% in the hang-back group and 75% in the conventional group. At the time of the most recent follow-up, the success rate was 64% in the hang-back group and 85% in the conventional group. Dose-response curves were similar for both methods. There were more late overcorrections with the hang-back technique. We suggest modified surgical guidelines for the hang-back recession technique.

Child↗