Outcome Of Treatment Modalities Of Exotropia In Hyperopic Patients

Aim: The aim of this work is to identify whether full correction or under correction of hyperopia (hyperopic error-1), in exotropic patients, will show the best postoperative ocular alignment. 
Methods: It is a prospective clinical study comprised of 31 patients examined and operated at Alexandria main university hospital, Egypt, during the period from September 2020 to January 2023. All patients have intermittent alternating exotropia and hypermetropia ≥ +2.00 D.
Results: A total of 31 patients of exotropia and hyperopia were divided in to two groups, 15 assigned in group A and were prescribed the full hyperopic correction as glasses and 16 assigned in group B and were prescribed the hyperopic correction -1 (under corrected) as glasses. At 2 months post operative follow up, there was statistically significant increase in the no. of aligned cases in group B than in group A (P=0.018). Furthermore, there was statistically significant increase in the no. of cases who were aligned with glasses but esotropic (5-16PD) without glasses in group A than in group B (P=0.002). At 4 and 6 months postoperative follow up, there was statistically significant increase in the no. of cases who were aligned with glasses but esotropic (5-16PD) without glasses in group A than in group B (P=0.002 and P=0.018 respectively) and no statistically significant difference in the no. of cases who were aligned in both groups. 
Conclusions: Full hyperopic correction group had the best results at 6 months post operative follow up as regarding alignment if we included those who were aligned with glasses esotropic (5-16 PD) without glasses in the alignment group as they are actually aligned. Exotropic drift is more common in patients who received partially hyperopic correction. 
Key words: Hyperopia, Exotropia, Glasses,alignment