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The relationship between nystagmus and surgical outcome in congenital esotropia
D T Sprunger1, B N Wasserman, D B Stidham
1Indiana University School of Medicine, Indianapolis, Indiana, USA.
Purpose:
Congenital esotropia is often associated with congenital nystagmus. This study examines the relationship between the presence of nystagmus and surgical outcome in the treatment of patients with congenital esotropia.
Methods:
In this institutional retrospective study, we reviewed the charts of 200 consecutive patients who underwent surgical correction for congenital esotropia between 1991 and 1995. Preoperative clinical characteristics and subsequent need for additional strabismus surgery for a residual or consecutive deviation were noted. Minimum follow-up was 6 months after the original operation.
Results:
Of the 84 patients who met the inclusion criteria, 15 patients (18%) had latent or manifest latent nystagmus, and 69 patients (82%) had no nystagmus. Eight of the 15 patients with nystagmus had or required reoperation according to our criteria (53%). Nineteen of the 69 patients (28%) without nystagmus had or required reoperation (P =.155).
Conclusions:
Nystagmus, when associated with congenital esotropia, may increase the risk of requiring additional strabismus surgery for residual or consecutive deviations. Appropriate and complete preoperative counseling of patients with congenital esotropia who also have nystagmus should include this increased risk.
