Surgical Treatment of Concomitant Divergent Strabismus

Lee, O. S.; O'brien, C. S.

doi:10.1001/archopht.1949.00900050183008

Cited by 8 publications

(4 citation statements)

References 4 publications

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“…Recession surgery on a single LR muscle to treat intermittent exotropia has been performed since the late 1940s although with disappointing early results 10. Even by 1973, Sheppard et al 11 reported a success rate of only 39.5% for a single horizontal muscle recession procedure.…”

Section: Discussionmentioning

confidence: 99%

Contralateral lateral rectus recession versus recess–resect for recurrent exotropia after unilateral recess–resect

Kim

Choi

2013

Br J Ophthalmol

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Section: Discussionmentioning

confidence: 99%

Contralateral lateral rectus recession versus recess–resect for recurrent exotropia after unilateral recess–resect

Kim

Choi

2013

Br J Ophthalmol

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“…After 14 weeks follow-up, the success rate was 90%. However, some authors reported that ULR was ineffective or yielded inconsistent results [ 8 , 9 ]. Lee and O'Brien [ 8 ] described inconsistent results of ULR in 15 patients with varying degrees of exotropia.…”

Section: Discussionmentioning

confidence: 99%

“…However, some authors reported that ULR was ineffective or yielded inconsistent results [ 8 , 9 ]. Lee and O'Brien [ 8 ] described inconsistent results of ULR in 15 patients with varying degrees of exotropia. Dunlap and Gaffiney [ 9 ] also reported that ULR as a treatment was inadequate, except in cases of small-angle exotropia (10 to 15 PD).…”

Section: Discussionmentioning

confidence: 99%

Comparison of Outcomes of Unilateral Lateral Rectus Recession for Exotropia between First and Second Operations

Lee

Shin

Kim

et al. 2011

Korean J Ophthalmol

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PurposeTo compare the outcomes of unilateral lateral rectus recession between the first operation and second operation for exotropia.MethodsThirty-two patients who underwent unilateral lateral rectus recession for exotropia of 15 to 20 prism diopters (PD) were investigated. The follow-up period was at least 6 months. We classified 17 patients without a surgical history for exotropia (first operation group) and 15 patients with a previous procedure (second operation group). Surgical success was defined as an exodeviation or esodeviation of less than 10 PD at the primary position. Postoperative deviation angles and success rates were compared between the two groups.ResultsThere were no significant differences in the age, gender, visual acuity (logarithm of the minimal angle of resolution), preoperative deviation, and amount of recession between the two groups. Postoperative deviations were -1.7 ± 5.5:1.3 ± 5.1 PD at one day, 4.3 ± 3.8:5.6 ± 5.1 PD at 1 month, 4.3 ± 4.3:3.0 ± 8.1 PD at 3 months, and 5.0 ± 4.3:4.5 ± 7.2 PD at 6 months post-operation, and there was no statistically significant difference between the two study groups. Surgical success rate were 95.2:100% at one day, 95.2:92.9% at 1 month, 90.5:85.7% at 3 months, and 90.0:92.9% a 6 months post-operation.ConclusionsIn patients with exotropia of 15 to 20 PD, no significant difference was found in terms of the postoperative deviation angle and the surgical success rate between the first operation and the second operation groups. Unilateral lateral rectus recession can lead to similar results in 15 to 20 PD exotropia for the first operation or recurrent exotropia.

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“…However, the results reported have been inconsistent. [4][5][6] For this study, we chose patients upon whom only unilateral lateral rectus recession had been performed because it was difficult to calculate the effects of bilateral lateral rectus recession if tendon widths could be different between both eyes. Moreover, it is more difficult to estimate the exact effects of unilateral R&R because the effects of medial R&R can differ considerably according to the technique used.…”

Section: Discussionmentioning

confidence: 99%

Effects of unilateral lateral rectus recession according to the tendon width in intermittent exotropia

Choi

2005

Eye

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Purpose To verify the effect of unilateral lateral rectus recession for each millimeter according to the tendon width in intermittent exotropia. Methods A total of 37 patients (37 eyes) of 7 to 11 years of age with basic-type intermittent exotropia and a deviation of 16-25 Prism Diopters (PD) were included in this study. Under general anaesthesia, the tendon width of the lateral rectus of the deviating eye near insertion was measured with calipers, prior to dissection of the muscle tendon from the sclera. Patients underwent 6.5-10 mm unilateral lateral rectus recession. The effect of lateral recession for each millimeter was the absolute value of the angle of preoperative deviation plus postoperative deviation on the second day divided by the total amount of recession. Results Mean tendon width of the lateral rectus of a deviating eye was 8.3 mm (range: 6.5-9.5). The mean effect per millimeter of unilateral rectus recession in those 37 patient was 2.9870.42 PD (range: 2.4-4.1). The effect of recession was larger in cases in which the tendon width of the lateral rectus was narrower (P ¼ 0.000, r ¼ 0.72). Conclusion The tendon width of the lateral rectus muscle can be a useful indicator to estimate the effect of lateral rectus recession in intermittent exotropia.

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Surgical Treatment of Concomitant Divergent Strabismus

Cited by 8 publications

References 4 publications

Contralateral lateral rectus recession versus recess–resect for recurrent exotropia after unilateral recess–resect

Contralateral lateral rectus recession versus recess–resect for recurrent exotropia after unilateral recess–resect

Comparison of Outcomes of Unilateral Lateral Rectus Recession for Exotropia between First and Second Operations

Effects of unilateral lateral rectus recession according to the tendon width in intermittent exotropia

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