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Longitidunal changes in accommodation amplitude after strabismus surgery.
Semra Koca1, Soner Güven1, Şerife Köksal1
1Department of Ophthalmology, Kayseri City Hospital, Kayseri, Turkey.
Summary
Strabismus surgery involving rectus tenotomy temporarily reduced accommodation amplitude (AA) in patients. However, AA recovered to preoperative levels by the third postoperative month.
Area of Science:
- Ophthalmology
- Strabismus Surgery
Background:
- Accommodation amplitude (AA) is crucial for clear vision.
- Strabismus surgery aims to correct eye alignment.
- The impact of strabismus surgery on AA requires further investigation.
Purpose of the Study:
- To investigate the changes in accommodation amplitude (AA) following strabismus surgery.
- To assess the short-term and long-term effects of rectus tenotomy on AA.
Main Methods:
- Retrospective review of medical records for patients undergoing rectus muscle full-tendon tenotomy.
- Objective, monocular evaluation of AA using autorefractometry.
- AA measurements taken preoperatively and at 1 week, 1 month, and 3 months postoperatively.
Main Results:
- Average AA significantly decreased at 1 week post-surgery compared to baseline (P=0.006).
- AA significantly increased at 1 month compared to 1 week post-surgery (P=0.043).
- AA returned to baseline values by the 3rd postoperative month (P=0.096), with no significant difference from preoperative levels (P=1).
Conclusions:
- Full-thickness rectus tenotomy in strabismus surgery temporarily reduces AA in the early postoperative period.
- The observed reduction in AA is transient, with recovery to preoperative levels by 3 months.
- This study suggests that rectus tenotomy does not cause permanent impairment of accommodation amplitude.
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