Refractory amblyopia and low vision
Conditions
Interventions
control group:Conventional visual training
experiment group:Darkness exposure combined with conventional visual training
Sponsors
Changsha Aier Eye Hospital
Eligibility
Sex/Gender
All
Age
6 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1.Low visual acuity in one or both eyes with BCVA below that of the relevant age; 2.The electroretinogram is normal or attenuated, but not extinguished; 3.Willing to accept the research of darkroom exposure; 4.With no serious systemic diseases or psychological disorders; 5.age between 6 to 50;
Exclusion criteria
Exclusion criteria: 1.Suffered from gloucoma; 2.BCVA is less than 0.02; 3.Suffered from severe eye disease; 4.Suffered from systemic associated disease; 5.Suffered from mental illness or serious mental illness; 6.Refuse to accept darkroom exposure to clinical investigators; 7.Age ineligible;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Best Correcoted Visual Acuity;Worth Four-Dot Test; | — |
Secondary
| Measure | Time frame |
|---|---|
| stereo vision;contrast sensitivity;electroretinogram;fundus photography;visual filed, VF;visual evoked potential,VEP;Intraocular Pressure (IOP);Mental and Psychological Evaluation;Assessment of Dark Adaptation Ability and Fall Risk; | — |
Countries
China
Contacts
Public ContactYang Dongsheng
Changsha Aier Eye Hospital
Outcome results
None listed