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Squinting and photophobia in intermittent exotropia
Baek-Lok Oh1, Soh-Youn Suh, Ho-Kyung Choung
1*MD Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Republic of Korea (all authors); and Seoul Artificial Eye Center, Seoul National University Hospital Clinical Research Institute, Seoul, Republic of Korea (all authors).
Summary
Over half of intermittent exotropia patients experience squinting or photophobia. Early surgery and successful realignment improve squinting symptoms postoperatively.
Area of Science:
- Ophthalmology
- Strabismus Research
- Pediatric Eye Care
Background:
- Squinting (transient eye closure in bright light) and photophobia are common in intermittent exotropia.
- Understanding factors associated with these symptoms is crucial for patient management.
Purpose of the Study:
- To identify factors linked to preoperative squinting and photophobia in intermittent exotropia.
- To determine factors influencing the improvement of these symptoms after surgery.
Main Methods:
- Retrospective study of 99 patients with intermittent exotropia.
- Comparison of clinical characteristics between groups with and without preoperative squinting/photophobia.
- Analysis of factors affecting postoperative symptom improvement.
Main Results:
- Preoperatively, 54.5% had squinting and 64.6% had photophobia.
- Younger onset age of strabismus was associated with photophobia.
- Superior oblique overaction was more common in squinting patients.
- Early surgery and successful realignment improved squinting postoperatively.
Conclusions:
- Squinting and photophobia affect over 50% of intermittent exotropia patients.
- Symptoms often improve postoperatively in about 60% of affected individuals.
- Strabismus onset, near fusion, superior oblique overaction, and fundus intorsion are related to these symptoms.
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