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Indian J Ophthalmol. 2014 Jun;62(6):695-8. doi: 10.4103/0301-4738.136218.

To evaluate stereoacuity in patients with acquired esotropia and to determine factors associated with favourable outcomes.

Author information

1
Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.

Abstract

AIM:

To evaluate stereoacuity in patients with acquired esotropia and determine the factors associated with favorable outcomes.

MATERIALS AND METHODS:

A total of 68 subjects aged 6 years and above were included in the study. Thorough clinical evaluation including binocular status examination using the Bagolini-striated glass test, The Netherland Organization (TNO), and Randot stereo test were done. The subjects were divided into two groups 1 and 2, based on the amount of deviation. Statistical analysis of the result was performed.

RESULT:

The duration of misalignment in the group with deviation less than or equal to 8 prism diopters (PD) was 1.49 ± 0.86 years, whereas in the group with deviation more than or equal to 10 PD was 4.64 ± 2.99 years (P = 0.000). Among the subjects in group 1, 89.5% achieved fusion and 52.6% had stereoacuity on both TNO and Randot, whereas in group 2 40% achieved fusion and 3.3% stereopsis on both TNO and Randot (one case with only coarse stereopsis). A subanalysis within group 1 revealed a statistically significant difference for the duration of misalignment (P = 0.02), but a marginal difference for the amount of deviation (P = 0.3).

CONCLUSION:

A horizontal deviation up to 8 PD was compatible with stereopsis. Also, the duration of constant misalignment affects the attainment of stereopsis despite successful realignment.

PMID:
25005198
PMCID:
PMC4131321
DOI:
10.4103/0301-4738.136218
[Indexed for MEDLINE]
Free PMC Article

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