The Change of Vertical Deviation in the Seated and Supine Position

Jae-Hyung Lee; Sook-Young Kim

doi:10.3341/jkos.2009.50.12.1873

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Lee and Kim: The Change of Vertical Deviation in the Seated and Supine Position

Original Article

J Korean Ophthalmol Soc 2009;50(12):1873-1876.

Published online: 7 September 2009

DOI: https://doi.org/10.3341/jkos.2009.50.12.1873

The Change of Vertical Deviation in the Seated and Supine Position

Jae-Hyung Lee, MD, Sook-Young Kim, MD, PhD

Department of Ophthalmology, College of Medicine, Catholic University of Daegu, Daegu, Korea

Address reprint requests to Sook-Young Kim, MD, PhD, Department of Ophthalmology, College of Medicine Catholic University of Daegu #3056-6 Daemyung 4-Dong, Nam-Gu, Daegu 705-718, Korea Tel: 82-53-650-4739, Fax: 82-53-627-0133, E-mail: kimsy@cu.ac.kr

Received 24 June 2009 Accepted 29 October 2009

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

To evaluate the change in hyperdeviation according to position change in patients with vertical strabismus.

Methods

The authors measured the hyperdeviation in 32 patients with vertical strabismus at 6 m, 2 m, and 33 cm in the seated position and at 2 m and 33 cm in the supine position using the alternate prism cover test.

Results

The mean amount of hyperdeviation in the seated position was 6.31±6.27 PD at 6 m, 6.31±6.27 PD at 2 m, and 3.69±6.65 PD at 33 cm. The mean hyperdeviation in the supine position was 6.09±6.37 PD at 2 m and 3.55±6.36 PD at 33 cm. There was no significant difference in hyperdeviation according to the change of position at the same measuring distance. No significant difference between the hyperdeviation at 6 m in the seated position and 2 m in the supine position was found (P>0.05).

Conclusions

The hyperdeviation at 6 m and 33 cm in the seated position can be replaced by hyperdeviation at 2 m and 33 cm in the supine position during adjustable suture surgery for vertical strabismus.

Keywords: Adjustable suture surgery, Hyperdeviation, Seated and supine position

References

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Figure 1.

Age distribution of 32 patients with vertical deviation.

Figure 2.

The distribution of hyperdeviation angle at 6 m in the seated position in 32 patients with vertical strabismus.^* PD=prism diopters.

Figure 3.

Comparison of hyperdeviation angle (Mean± SD) at 6 m and 2 m in the seated position in 32 patients with vertical strabismus (p>0.05, paired t-test).^* PD=prism diopters.

Figure 4.

Comparison of hyperdeviation angle (Mean± SD) at 6 m in the seated position and at 2 m in the supine position in 32 patients with vertical strabismus(p>0.05, paired t-test). ^* PD=Prism diopters.

Table 1.

Mean hyperdeviation angle of 32 patients with vertical strabismus measured at different distances in the seated and supine position (Mean± SD)

Measuring distance	Seated position	Supine position	p-value^†
6 m	6.31±6.27 PD^*
2 m	6.31±6.27 PD^*	6.09±6.37 PD^*	>0.05
33 cm	3.69±6.65 PD^*	3.55±6.36 PD^*	>0.05

^* PD=prism diopters

^† p=paired t-test.

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