intermittent exotropia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. meet the diagnostic criteria of intermittent exotropia; 2. binocular best corrected visual acuity=0.8 (older than 8 years old; 3 years old=0.5, 4~5 years old=0.6, 6~7 years old=0.7; 3. anisometropia(spherical equivalent)=1.5D; 4. prism diopter of exotropia=15?; 5. need surgery for intermittent exotropia according to the existing surgical indications; 6. Age=3 years old; 7. The child guardian voluntarily signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1. There are other eye organic diseases; 2. Accompanied by obvious vertical strabismus, DVD, nystagmus, collections, paralysis, paralysis of the adjustment; 3. Abnormal eye movement; 4. Combined nystagmus; 5. strabismus or introcular surgery history; 6. systemic dysplasia or brain and nervous system diseases; 7. Can not cooperate with the required inspection.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| deviation angle;far stereopsis;near stereopsis;visual perception checking; | — |
Secondary
| Measure | Time frame |
|---|---|
| Uncorrected visual acuity;corrected visual acuity;refractive condition;ocular motility; | — |
Countries
China
Contacts
Beijing Tongren Hospital