intermittent exotropia
Conditions
Interventions
control group: blank
Sponsors
Zhongshan Ophthalmic Center
Eligibility
Sex/Gender
All
Age
5 Years to 16 Years
Inclusion criteria
Inclusion criteria: 1. Aged 5~40 years, male or female; 2. The patients have been diagnosed as intermittent exotropia according to the Expert Consensus Document on Strabismus Classification in China (2015), and have corrective operations; 3. Ocular alignment, prism degree <=5? in esotropia or <15? in exotropia during the first to second month after the corrective operation of intermittent exotropia; 4. Uncorrected or corrected visual acuity 1.0 or above; 5. Informed consent form must be signed by patients, who understand the purpose and procedure of this research, finish some ophthalmological examinations, and visit on schedule. All patients participate in this research voluntarily.
Exclusion criteria
Exclusion criteria: 1. Patients with A-V patterns, dysfunctional obliquus or vertical extraocular muscles, nystagmus, or ophthalmoplegia; 2. Anisometropic degree >2.5D; 3. Except for corrective surgery of intermittent exotropia, there is no other ocular surgery history; 4. Patients with mental disorders; 5. Patients with neural disease, tumour, heart disease, hypertension, epilepsy or severe systemic disease; 6. Patients who had been trained 4 weeks ago; 7. Patients with implantable electronic device; 8. Patients who had taken part in other clinical researches 4 weeks ago; 9. Patients who are not allowed to take part in this research according to the safe causation and beneficial consideration of patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| simultaneous perception (I binocular function);fusion (II binocular function);stereopsis (III binocular function); | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual acuity;deviation degree;refractive error; | — |
Countries
China
Contacts
Public ContactYan Jianhua
Zhongshan Ophthalmic Center, Sun Yat-sen University
Outcome results
None listed