SENSORY OUTCOME AFTER SURGERY FOR INTERMITTENT EXOTROPIA
A., F., M., A., M., S. (2019). SENSORY OUTCOME AFTER SURGERY FOR INTERMITTENT EXOTROPIA. EKB Journal Management System, 2(2), 41-47. doi: 10.21608/ejco.2019.162979
Farrag, A.; Abdel Badie, M.; Saleh, M.. "SENSORY OUTCOME AFTER SURGERY FOR INTERMITTENT EXOTROPIA". EKB Journal Management System, 2, 2, 2019, 41-47. doi: 10.21608/ejco.2019.162979
A., F., M., A., M., S. (2019). 'SENSORY OUTCOME AFTER SURGERY FOR INTERMITTENT EXOTROPIA', EKB Journal Management System, 2(2), pp. 41-47. doi: 10.21608/ejco.2019.162979
A., F., M., A., M., S. SENSORY OUTCOME AFTER SURGERY FOR INTERMITTENT EXOTROPIA. EKB Journal Management System, 2019; 2(2): 41-47. doi: 10.21608/ejco.2019.162979

SENSORY OUTCOME AFTER SURGERY FOR INTERMITTENT EXOTROPIA

Egyptian Journal of Clinical Ophthalmology
Article 1, Volume 2, Issue 2, December 2019, Page 41-47  XML PDF (224.44 K)
DOI: 10.21608/ejco.2019.162979
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Authors
Farrag, A.1; Abdel Badie, M.1; Saleh, M.2
1Ophthalmology dept., Faculty of Medicine, AL-Azhar Univ., Assuit, Egypt
2Ophthalmology dept, Faculty of Medicine, AL-Azhar Univ. Cairo, Egypt
Abstract
Purpose: To investigate whether patients with intermittent exotropia can achieve better postoperative sensory outcome, including improvement in the stereo-acuity and increase in the
grade of binocular single vision. Methods: 20 patients diagnosed as intermittent exotropia who
underwent surgery, motor changes measured with an alternate cover test and Simultaneous
prism and cover test and Assessment of sensory changes by Worth's 4 dot test used to assess
fusion for near and far and Stereoacuity measurements performed using global TNO test.
Results: Males were 11 in numbers (55%) while females were 9 (45%). age ranges from 5-27
years. Range of BCVA was (0.2-1). Mean + S.D = 0.8 + 0.223. 16 out of 20 patients achieved
orthotropia postoperative, while there was 2 patients with overcorrection and 2 patients with
under correction. W4D for far shows significant improvement p=0.99 while W4D for near shows
Insignificant improvement p=0.223. TNO stereotest: 16 out of 20 patients could pass the test,
only four patients couldn't pass it completely pre-op. Conclusions: Impairment of BSV in (x)t is
usually in the form of suppression. The most severe binocular impairment is monofixaton
syndrome with loss of all central binocular vision & development of central scotoma,
Stereoacuity is diminished but in a mild form. It can return to normal levels in many patients by
appropriate surgery.

Keywords
Intermittent exotropia; Binocular vision; Stereopsis; Amblyopia
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