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Evaluation of augmented lateral rectus recession by hang back and Z-tenotomy for correction of large-angle exotropia

Study Overview

This study looked at two methods to help patients with a condition called large-angle exotropia, where the eyes drift outward. The methods explored were augmented lateral rectus (LR) muscle recession using hang-back and Z-tenotomy techniques.

Study Details

A total of 62 patients participated in this clinical trial. They were split into two groups:

  • Group A: 34 patients received the hang-back method.
  • Group B: 28 patients received the Z-tenotomy method.

Researchers measured eye alignment, vision, eye movement, and patient satisfaction after 6 months.

Results

In Group A (hang-back method):

  • 64.7% of patients achieved normal eye alignment.
  • Central vision improved significantly, from 41.4% to 68.9%.
  • Stereopsis (depth perception) improved from 31.03% to 65.5%.

In Group B (Z-tenotomy method):

  • 39.3% of patients achieved normal eye alignment.
  • Central vision improved from 25% to 46.4%.
  • Stereopsis improved from 21.4% to 35.7%.

Both methods showed no significant complications.

Conclusions

The hang-back method is effective for treating large-angle exotropia, while the Z-tenotomy method is suitable for smaller angles.

Measurable Outcomes and Goals

Clinics can set goals based on these findings, such as:

  • Increase the percentage of patients achieving normal alignment.
  • Improve central vision and depth perception in patients.

AI Tools for Clinical Needs

Leverage AI solutions to:

  • Track patient outcomes efficiently.
  • Tailor treatment plans based on individual needs.

Next Steps

Start with a pilot project, monitor improvements, and expand based on data from the study results.

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