Learning difficulties
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for children with learning difficulties: 1) Children aged 7-12, regardless of gender; 2) The Chinese revised Wechsler Children's Intelligence Scale Fourth Edition (WISC-IV) has a FIQ score of = 80 points; 3) The Chinese or math scores in the mid-term or final exams for more than three consecutive times are lower than the average level of the class or grade; 4) Obtain formal school education with equal conditions and time; 7) Right handedness; 8) Both eyes have a corrected visual acuity of 1.0 or above; 9) Voluntarily participate and be able to persist in the experiment. Inclusion criteria for normal children: 1) Children aged 7-12, regardless of gender; 2) The Chinese revised Wechsler Children's Intelligence Scale Fourth Edition (WISC-IV) has a FIQ score of = 80 points; 3) No performance of learning difficulties; 4) Right handedness; 5) Both eyes have a corrected visual acuity of 1.0 or above, with normal adjustment and binocular vision function; 6) Voluntarily participate and be able to persist in the experiment.
Exclusion criteria
Exclusion criteria: Exclusion criteria: 1) Strabismus, amblyopia, and other organic eye diseases; 2) Any cause that causes damage to the extraocular muscles and affects eye movement, such as trauma or extraocular muscle surgery; 3) Previous history of brain injury or treatment with relevant drugs; 4) Other physical, neurological, and psychological disorders.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accommodation and binocular vision function;eye movement;VEP;Retinal nerve fiber thickness (OCT); | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraocular pressure;Convergence Insufficiency Symptom Survey;Children's Chinese Reading Disability Scale;The Pupil Rating Scale Revised Screening for Learning Disabilities;Chinese Reading Literacy Test; | — |
Countries
China
Contacts
West China Hospital of Sichuan University