Effect of inferior oblique muscle belly transposition on versions and vertical alignment in primary position

Effectiveness of modified inferior oblique muscle belly transposition for V-pattern exotropia combined with mild to moderate inferior oblique muscle overaction

“…It has been confirmed that the standard IOMBT was useful for the overaction of IO muscle [9][10] . We found IOOA in all cases were improved after the simplified procedure, and the cure rate was 87.0%, comparable to previously reported rates (71.0% [12] to 86.7% [13] ). Our study also demonstrated that the modified procedure also achieved a good effect on treating V-pattern exotropia.…”

“…The postoperative reduction in FDA was 5.45°±2.87°, which indicated that IOMBT slightly improved external rotation, but different from the data in the earlier reports. The change of FDA waved in a range of about 10° from 1.83°±3.02° to 6.5°±2.3°[ [12][13][14] . Perhaps the differences came from the selection bias on small samples for different indications.…”

“…The emergence of new technology provides a useful addition to traditional methods and shows certain advantages in reducing risks of complications [9] . At present, a few studies have reported this technique [10][11][12][13][14] . Its indications become various gradually, such as IOOA [9][10][12][13][14] diplopia [11,13] or asymmetric superior oblique palsy [12][13] and so on.…”

“…At present, a few studies have reported this technique [10][11][12][13][14] . Its indications become various gradually, such as IOOA [9][10][12][13][14] diplopia [11,13] or asymmetric superior oblique palsy [12][13] and so on. We noticed that there were still not many reports about V-pattern strabismus [13][14] in related researches.…”

Automated measurement of the disc-fovea angle based on DeepLabv3+

“…The DFA of patients with rotational strabismus is usually beyond the normal range; therefore, DFA measurement is an important tool for the diagnosis of rotational strabismus. The measurement of the rotational strabismus angle is divided into subjective and objective examinations; the former examination utilizes the Maddox method ( 1 ), Jackson crossed columnoscopy ( 2 ), and manual corneal margin marking ( 3 ), while the latter examination is measured using fundus images ( 4 – 8 ). Currently, DFA measurement based on fundus images are mainly measured manually and suffer from an average error of 2.0 (±1.8) ( 9 ).…”