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Doctor insights on: How Does Having Only One Eye Affect Your Vision

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How does having only one eye affect your vision?

How does having only one eye affect your vision?

Depth perception: You need two eyes in order to have true depth perception. Interestingly, people who have had only one functional eye since birth or early childhood can judge distances about as well as two-eyed individuals (by comparing shadows and sizes of objects). Those who lose the function of one eye later in life may have some difficulty judging distances, but eventually can manage most tasks normally. ...Read more

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Dr. Richard Bensinger
1,667 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Why am i losing my vision in one my eyes?

Why am i losing my vision in one my eyes?

Many causes: If the vision is diminishing in one eye only, you need to have an ophthalmologist examine your eyes quickly. There are many causes from a need for glasses, vascular problems, systemic disease like diabetes, retinal detachment and many others. Get evaluated as soon as possible. ...Read more

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Is it normal to get darker vision in one eye?

Is it normal to get darker vision in one eye?

No: You may have an early cataract of problems with your optic nerve, bleeding inside your eye, etc you need to seek medical attention. ...Read more

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What can cause vision in one eye to suddenly become blurry?

What can cause vision in one eye to suddenly become blurry?

Many things: Unfortunately there is limited space here for discussion and an eye exam is important for any case of sudden onset blurry vision. Its best to make an appointment with your eye doctor. Good luck. ...Read more

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I was laying down and stood up quick and my vision in one eye got dark. Why does that happen/?

Worrisome: When standing quickly, the blood pressure can temporarily drop causing dizziness and blurred or dark vision. The visual changes should occur in both eyes. If the vision is changing in only one eye, then I would be concerned about a circulation problem with that eye. See an ophthalmologist for evaluation. ...Read more