If lazy eye (amblyopia) is not treated, the weaker eye may never develop good vision and can even become functionally blind.
Here's a more detailed explanation of the consequences:
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Permanent Vision Impairment: The primary risk of untreated lazy eye is that the vision in the affected eye will remain poor, even with glasses or contact lenses. This is because the brain learns to favor the stronger eye and suppresses visual signals from the weaker eye.
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Functional Blindness: In severe cases, the brain may completely ignore input from the lazy eye, effectively rendering it functionally blind. This means the eye is still physically present, but the brain does not process its visual information.
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Loss of Depth Perception: Good vision in both eyes is essential for depth perception (stereopsis). Untreated lazy eye can severely impair or eliminate depth perception, making it difficult to judge distances and navigate the environment safely. This can impact activities like driving, sports, and even simple tasks like reaching for objects.
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Increased Risk of Vision Loss in the Stronger Eye: If the stronger eye develops an eye disease or suffers an injury later in life, the individual may experience significant vision loss because the weaker eye was never properly developed.
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Social and Psychological Impact: Poor vision can impact a child's self-esteem and social interactions. It can also lead to difficulties in school and other activities that require good vision.
The Importance of Early Detection and Treatment:
Early detection and treatment of lazy eye are crucial for preventing these long-term consequences. Treatment options, such as patching the stronger eye, using eye drops to blur the vision in the stronger eye, or wearing corrective lenses, can help strengthen the weaker eye and improve vision. The earlier treatment begins, the better the chances of restoring good vision in the lazy eye. While treatment is most effective in childhood, some adults can also benefit from vision therapy.