How attention can change eye suppression in amblyopia (lazy eye)
Official title: Interocular Suppression and Selective Attention in Amblyopia
Funded at Smith-Kettlewell Eye Research Institute · NIH-11285207 · Data updated 2026-11-12
This project tests whether directing attention to the weaker eye can reduce visual suppression for adults with amblyopia (lazy eye).
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Smith-Kettlewell Eye Research Institute NIH-funded |
| Lab location | 1 site (San Francisco, United States) |
| Project start | August 1, 2023 |
| Project end | February 28, 2027 |
| Funding year | 2026 |
| Award (this year) | $503,099 |
| NIH project number | 5R01EY035346-04 |
| Project ID | NIH-11285207 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal participants are adults with amblyopia (lazy eye), including those with anisometropia or strabismus, who can attend lab visits and follow brief visual tasks.
✕Less likely to help
Children under 18 and people with severe eye disease or very poor vision that prevents completing the visual tasks are unlikely to be eligible or to benefit directly.
What this research studies
If you join, you'll do short vision tasks where each eye sees different images while researchers cue you to focus on one eye or the other. They will record what you report seeing and measure brain activity with EEG while the two eyes compete for perception. Some tests will also boost the weaker eye's contrast to compare effects of attention versus stronger visual input. The team will compare behavioral reports and brain signals to see how attention changes suppression of the amblyopic eye.
Why it matters
Potential benefit: If successful, this work could point to attention-based strategies that help reduce suppression and improve vision in people with amblyopia.
How similar studies have gone: Prior lab studies of attention, binocular rivalry, and contrast manipulation have produced temporary shifts in eye dominance, but lasting clinical improvements remain experimental.
Where this research is happening
-
Smith-Kettlewell Eye Research Institute
San Francisco, United States Active
Researchers
- Principal investigator: Hou, Chuan — Smith-Kettlewell Eye Research Institute
- Study coordinator: Hou, Chuan
Related research
Other NIH-funded projects on the same topics.
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High-resolution 7T fMRI to understand developmental causes of amblyopia
This project uses ultra-high field brain imaging to learn how amblyopia develops in people, with an emphasis on how vision sources interact in early life.
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A smart occlusion dose monitor to help kids with amblyopia wear patches
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Better treatments for amblyopia (lazy eye) and binocular vision in children
This compares a patch-free, activity-based therapy to standard eye patching to help children with amblyopia (lazy eye) improve vision and stick with treatment.
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Understanding how attention affects vision in lazy eye
This study is looking at how focusing your attention can help improve vision in adults with lazy eye, and it aims to find new ways to treat this condition by understanding how the brain works in these situations.
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Investigating visual perception issues in children with amblyopia
This study is looking at how kids with anisometropic amblyopia see things differently, especially when it comes to recognizing patterns and contrasts, and it aims to learn more about their vision challenges through fun visual tests and advanced imaging techniques.
-
Understanding depth perception in individuals with lazy eye
This study is looking at how people with lazy eye see depth and if their side vision plays a role in that, with the goal of finding better ways to help improve their vision.
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.