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Br J Ophthalmol 86:267-269 doi:10.1136/bjo.86.3.267
  • Scientific correspondence

Modified Anderson procedure for correcting abnormal mixed head position in nystagmus

Table 1

Summary of changes in abnormal head position

Preoperative (degrees) Postoperative (degrees)
Patient Sex Age Turn Tilt Chin Turn Tilt Chin
R = right, L = left, E = elevation, D = depression.
*Overcorrected patients.
1 M 9 40L 20L 15E 10L 0 0
2 M 7 40R 15L 10E 10L* 0 5E
3 M 8 40R 10R 20D 15L* 5R 0
4 M 8 45L 20L 15E 10R* 10L 0
5 M 7 40L 20L 15E 15L 10L 0
6 M 9 40L 15L 10D 10L 0 5D
7 F 5 35R 10L 10E 0 0 0
8 M 2 45R 10L 20D 0 0 0
9 M 9 40L 20L 20E 0 0 5E
10 M 1 40L 30L 10D 15L 30L 10D
11 M 6 35L 15R 15D 0 0 0
12 F 7 40R 15L 10D 10R 0 0
13 F 8 35R 10L 10D 15R 0 0
14 M 19 40R 10L 10E 10R 5L 5E
15 M 27 35L 12L 10E 10R* 0 0
16 M 11 40L 20R 10E 0 0 0
17 M 11 35L 10R 20E 15R* 0 0
18 F 5 40R 20L 10E 10R 10L 5E
19 M 6 35L 10R 10D 0 0 0
20 M 9 40L 10R 15D 25L 0 0
21 M 6 40L 10R 10D 10L 0 0
p=0.01

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