Intermittent Exotropia
Conditions
Interventions
Intermittent exotropia group 1:None
Intermittent exotropia group 2:None
Healthy group:None
Exophoria group :None
Sponsors
Changsha Aier Eye Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 40 Years
Inclusion criteria
Inclusion criteria: Experiment 1: (1) Age 8-40 years, with best-corrected visual acuity =10 prism diopters; (4) NCS or MOCS score 1 hour, with spherical equivalent between +4.00D to +6.00D (using built-in corrective lenses) or with refractive correction via contact lenses. Experiment 2: Intermittent exotropia group: (1) Age 8-40 years, with best-corrected visual acuity =10 prism diopters; (4) NCS or MOCS score <=3 with orthophoria control at both distance and near; (5) No treatment related to strabismus underwent. Healthy group: (1) Age 8-40 years, with best-corrected visual acuity <=0.00 logMAR in either eye; (2) No ocular or systemic diseases other than refractive error; (3) Manifest exodeviation <6 prism diopters; Exophoria group: (1) Age 8-40 years, with best-corrected visual acuity <=0.00 logMAR in either eye; (2) No ocular or systemic diseases other than refractive error; (3) Manifest exodeviation 6~15 prism diopters;
Exclusion criteria
Exclusion criteria: Experiment 1: (1) The spherical equivalent exceeds +4.00D to -6.00D and is unwilling to wear contact lenses for examination; (2) those who refused to sign written informed consent or could not adhere to complete the examination process; Experiment 2: (1) those who refused to sign written informed consent or could not adhere to complete the examination process;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Horizontal Binocular Vergence Angle (?);The degree of biocular inhibition;Eye position control score(NCS/MCOS);Prism and Alternate Cover Test(6m and 33cm);The recorded binocular movement trajectories of the eye tracker under different occlusion conditions.;Electroencephalogram waveforms and localization of brain region activities; | — |
Secondary
| Measure | Time frame |
|---|---|
| Worth 4-Dot test;Stereopsis (far and near);Synoptophore; | — |
Countries
China
Contacts
Public ContactZhikuan Yang
Changsha Aier Eye Hospital
Outcome results
None listed