Letter to the Editor Comment on (Early Results of Slanted Recession of the Lateral Rectus Muscle for Intermittent Exotropia with Convergence Insufficiency) Osman Melih Ceylan, 1 Onder Ayyildiz, 2 Gokcen Gokce, 2 and Fatih Mehmet Mutlu 2 1 Department of Ophthalmology, Inonu University, Malatya, Turkey 2 Department of Ophthalmology, GATA Medical School, Ankara, Turkey Correspondence should be addressed to Osman Melih Ceylan; [email protected] Received 5 February 2016; Accepted 18 February 2016 Academic Editor: Suphi Taneri Copyright © 2016 Osman Melih Ceylan et al. is is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. We congratulate Chun and Kang for their successful results which they obtained in children with exotropia with conver- gence weakness [1]. is issue is one of the controversial top- ics, in which there are still diverse opinions in its treatment, in which a full consensus cannot be built in surgical treatment, and in which various success rates within the range of 18– 67% are reported [2–4]. In slanted recession technique, more reformation at the near than the far is aimed by suturing lower tendons of lateral rectus more backwards than upper tendons [5]. e important point between Chun and Kang’s study results and the study results of Snir et al. is 1 mm difference between the upper and lower poles of the slanted recession reducing the near-distance difference by 8.7 PD, 4.6 PD, respectively. ere is almost 2-fold difference between the reduction results in the near-distance difference between two studies. e reason for this difference might be that all of the cases are at the age of 4–12 years in Chun and Kang’s study but only 6 of twelve cases on which slanted recession is performed are less than twelve years in Snir et al.’s study. erefore, it is considered that the late period results of the same slanted recession amounts to be applied in various age groups might be different. For this reason, studies in wider series are required in children and adults. Conflict of Interests e authors declare that there is no conflict of interests regarding the publication of this paper. References [1] B. Y. Chun and K. M. Kang, “Early results of slanted recession of the lateral rectus muscle for intermittent exotropia with convergence insufficiency,” Journal of Ophthalmology, vol. 2015, Article ID 380467, 5 pages, 2015. [2] S. P. Kraſt, A. V. Levin, and R. W. Enzenauer, “Unilateral surgery for exotropia with convergence weakness,” Journal of Pediatric Ophthalmology and Strabismus, vol. 32, no. 3, pp. 183–187, 1995. [3] G. K. von Noorden, “Resection of both medial rectus muscles in organic convergence insufficiency,” American Journal of Ophthalmology, vol. 81, no. 2, pp. 223–226, 1976. [4] H. M. Burian and B. E. Spivey, “e surgical management of exodeviations,” American Journal of Ophthalmology, vol. 59, no. 4, pp. 603–620, 1965. [5] M. Snir, R. Axer-Siegel, B. Shalev, I. Sherf, and Y. Yassur, “Slanted lateral rectus recession for exotropia with convergence weakness,” Ophthalmology, vol. 106, no. 5, pp. 992–996, 1999. Hindawi Publishing Corporation Journal of Ophthalmology Volume 2016, Article ID 8236314, 1 page http://dx.doi.org/10.1155/2016/8236314
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Letter to the EditorComment on (Early Results of Slanted Recession ofthe Lateral Rectus Muscle for Intermittent Exotropia withConvergence Insufficiency)
Osman Melih Ceylan,1 Onder Ayyildiz,2 Gokcen Gokce,2 and Fatih Mehmet Mutlu2
1Department of Ophthalmology, Inonu University, Malatya, Turkey2Department of Ophthalmology, GATA Medical School, Ankara, Turkey
Correspondence should be addressed to Osman Melih Ceylan; [email protected]
Received 5 February 2016; Accepted 18 February 2016
Academic Editor: Suphi Taneri
Copyright © 2016 Osman Melih Ceylan et al. This is an open access article distributed under the Creative Commons AttributionLicense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properlycited.
We congratulate Chun and Kang for their successful resultswhich they obtained in children with exotropia with conver-gence weakness [1]. This issue is one of the controversial top-ics, in which there are still diverse opinions in its treatment, inwhich a full consensus cannot be built in surgical treatment,and in which various success rates within the range of 18–67% are reported [2–4]. In slanted recession technique, morereformation at the near than the far is aimed by suturing lowertendons of lateral rectus more backwards than upper tendons[5].
The important point between Chun and Kang’s studyresults and the study results of Snir et al. is 1mm differencebetween the upper and lower poles of the slanted recessionreducing the near-distance difference by 8.7 PD, 4.6 PD,respectively. There is almost 2-fold difference between thereduction results in the near-distance difference between twostudies. The reason for this difference might be that all ofthe cases are at the age of 4–12 years in Chun and Kang’sstudy but only 6 of twelve cases on which slanted recessionis performed are less than twelve years in Snir et al.’s study.Therefore, it is considered that the late period results of thesame slanted recession amounts to be applied in various agegroups might be different. For this reason, studies in widerseries are required in children and adults.
Conflict of Interests
The authors declare that there is no conflict of interestsregarding the publication of this paper.
References
[1] B. Y. Chun and K. M. Kang, “Early results of slanted recessionof the lateral rectus muscle for intermittent exotropia withconvergence insufficiency,” Journal of Ophthalmology, vol. 2015,Article ID 380467, 5 pages, 2015.
[2] S. P. Kraft, A. V. Levin, and R.W. Enzenauer, “Unilateral surgeryfor exotropia with convergence weakness,” Journal of PediatricOphthalmology and Strabismus, vol. 32, no. 3, pp. 183–187, 1995.
[3] G. K. von Noorden, “Resection of both medial rectus musclesin organic convergence insufficiency,” American Journal ofOphthalmology, vol. 81, no. 2, pp. 223–226, 1976.
[4] H. M. Burian and B. E. Spivey, “The surgical management ofexodeviations,” American Journal of Ophthalmology, vol. 59, no.4, pp. 603–620, 1965.
[5] M. Snir, R. Axer-Siegel, B. Shalev, I. Sherf, and Y. Yassur,“Slanted lateral rectus recession for exotropia with convergenceweakness,” Ophthalmology, vol. 106, no. 5, pp. 992–996, 1999.
Hindawi Publishing CorporationJournal of OphthalmologyVolume 2016, Article ID 8236314, 1 pagehttp://dx.doi.org/10.1155/2016/8236314
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