form deprivation amblyopia,Congenital cataract
Conditions
Interventions
Asynchronous visual stimulation treatment group:none
control:none
Sponsors
Peking University First Hospital
Eligibility
Sex/Gender
All
Age
4 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Patients diagnosed with amblyopia due to deprivation of visual input by clinical examination; 2. Bilateral cataracts, having undergone cataract extraction and intraocular lens implantation surgery for more than 3 months and wearing appropriate glasses for refractive correction; 3. The amblyopic eye is the dominant one for fixation; 4. No obvious strabismus or nystagmus; 5. Apart from refractive correction, no other amblyopia treatment has been received for the past 8 weeks; 6. The patient can fixate on the central target of the VR device presenting non-synchronous binocular visual stimuli; 7. The subject can accept viewing stereoscopic images; 8. The subject can complete the treatment and follow-up as required by the protocol during the experiment.
Exclusion criteria
Exclusion criteria: 1. history of previous ophthalmic surgeries other than simple cataract extraction, intraocular lens implantation and strabismus surgery. 2. history of skin allergy to eye patches or eye masks in the past. 3. Ophthalmic screening revealed other possible organic eye diseases that might affect vision besides cataract. 4. Premature infants, low birth weight infants, history of perinatal hypoxia, severe developmental delay, or other systemic diseases that might affect vision. 5. Unable to accept viewing stereoscopic vision images, such as those with vertigo, Meniere's syndrome, etc. 6. Unable to complete treatment or follow-up as per the protocol requirements during the experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Best corrected visual acuity;Contrast sensitivity VEP Strabismus degree, refractive error, near stereo vision, far stereo vision, degree of monocular suppression; | — |
Countries
China
Contacts
Public ContactLi Ruoshi
Peking University First Hospital
Outcome results
None listed