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Occlusion therapy is a treatment that involves covering or patching the stronger eye to force the brain to use the weaker eye. This therapy is primarily used to treat amblyopia (lazy eye) in children. The patch promotes visual development in the underdeveloped eye by making it work harder to process images.
read more about occlusion therapy ...Amblyopia occurs when the brain favors one eye over the other, causing the weaker eye's vision to decline. By patching the dominant eye for a specific number of hours each day, occlusion therapy forces the visual system to rely on the weaker eye. This stimulates the nerve pathways and strengthens visual acuity.
Occlusion can be achieved through different methods:
Occlusion therapy is time-sensitive and needed to treat amblyopia during the period of visual development in childhood. Success relies on consistent wear according to the doctor's prescribed schedule, which is determined by the severity of the amblyopia.
While most effective in children, occlusion therapy is occasionally used for adults who experience persistent double vision (diplopia). In these cases, the patch eliminates the image from one eye, allowing the brain to comfortably use only the single image from the unpatched eye.
No, the therapy itself is painless, but children may resist wearing the patch initially.
The duration varies widely, from a few hours a day to all day, for several months or years.
It successfully improves vision in the majority of cases when started early and followed consistently.
If you suspect your child has a "lazy eye," early diagnosis is key. Occlusion therapy (patching) is most effective before age 7. If you notice your child squinting or tilting their head to see, have their vision checked immediately by a pediatric specialist.
NEI. Amblyopia (Lazy Eye) (nei.nih.gov). 2023.
AAO. Occlusion Therapy for Amblyopia (aao.org). 2024.
Cleveland Clinic. Patching for Amblyopia (clevelandclinic.org). 2024.
British and Irish Orthoptic Society. Amblyopia Management (orthoptics.org.uk). 2024.