When Screen Time Is Therapy

When Screen Time Is Therapy: Dichoptic VR for Amblyopia New study drops (Guardian/PLOS One, 900 adults): excessive online time — gaming, social, shopping, porn — correlates with stress, bad mood, life neglect. The dev takeaway: not all pixels are equal. I’ve been digging into Amblyotube (Meta Quest, Seven Sports). It’s a media player that renders different video per eye — dichoptic presentation — while you watch normal YouTube content. Clinical basis: penalizing the strong eye, stimulating the weak one, forcing cortical fusion. Used for amblyopia, strabismus, convergence insufficiency. Technical notes: - Unity URP, Meta XR All-in-One SDK - Dual RenderTexture pipeline (left/right eye) - Graphics.Blit with custom shader for per-eye source mapping - YouTube Data API v3 for content, wrapped in WebView/ExoPlayer - Adjustable suppression/contrast params per user profile The UX is passive. The visual system isn’t. If you’re building XR health tools, this pattern — therapeutic overlay on