intermittent exotropia
Conditions
Interventions
Normal axial length group
Abnormal axial length group:axial length
Sponsors
The Second Affiliated Hospital of Dalian Medical University
Eligibility
Sex/Gender
All
Age
4 Years to 18 Years
Inclusion criteria
Inclusion criteria: 1. Aged 4 to 18 years old and could be well matched with squint angle inspection and axial length measurement; 2. All patients met the basic or separate diagnostic criteria of strong intermittent exotropia (Basic type: The far external angle of deviation is equal to the near one; the differences of the two are less than 8?. Divergence-excess type: The far external angle of deviation is 15? larger than the near one.); 3. The binocular best corrected visual acuity is better than 0.5 and the worst one is better than 0.3. The binocular visual acuity difference is not more than 2 lines (international standard logarithmic visual acuity chart); 4. The degree of equivalent spherical mirror for hyperopia is less than + 3.5 D; 5. The angle of strabismus is between -30?; 6. The patient can be treated with surgery and the condition is good, and the patient is willing to undergo surgical treatment; 7. Normal retinal correspondence; and 8. The patients are followed up for 8 weeks after operation.
Exclusion criteria
Exclusion criteria: 1) Previous history of intraocular surgery, history of strabismus surgery or history of botulinum toxin treatment; 2) Accompanied by anterior segment diseases or fundus diseases; 3) Eye movement dysfunction; 4) Those with paralytic strabismus, vertical dissociative strabismus or nystagmus; 5) Accompanied by monocular or binocular amblyopia; and 6) Those who have poor compliance; 7) With poor compliance with inspection and treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative squint angle; | — |
Countries
China
Contacts
Public ContactJiahuan ZHANG
The Second Affiliated Hospital of Dalian Medical University
Outcome results
None listed