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   What is a blind spot in a human eye?

   • Every human eye has something called a blind spot. This natural blind spot is the place in the retina — the light-sensitive inner lining at the back of your eye — that doesn’t have any cells that respond to light. The blind spot sits in the part of your retina where the optic nerve exits the eye. Why do you have blind spots?

   Blind spot - All About Vision

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   What causes blind spots in vision?

   • The lack of light-sensitive cells causes a blind spot. Without light-detecting cells, your eye can’t transfer messages about an image to your brain, and your brain can’t interpret the image for you. As there are no cones or rods at this point on the retina, you have a small gap in your visual field. What Do Blind Spots in Vision Look Like?

   Blind Spot in Your Eye: Possible Causes & What to Do - Vision Center

   www.visioncenter.org/conditions/blind-spot-one-eye/

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   Where is a blind spot located?

   • This natural blind spot is the place in the retina — the light-sensitive inner lining at the back of your eye — that doesn’t have any cells that respond to light. The blind spot sits in the part of your retina where the optic nerve exits the eye. Why do you have blind spots? Blind spots are a normal part of your vision. Why?

   Blind spot - All About Vision

   www.allaboutvision.com/eye-care/eye-anatomy/blind-spot/

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   Why are there no blind spots in human eyes?

   • Because they have photoreceptor cells that are oriented toward the light, not away from it. Therefore, their photoreceptor nerves run behind the retina, meaning there are no blind spots. In human eyes, the photoreceptor cells are oriented away from the light, not toward it, and the photoreceptor nerves are in front of the retina.

   Blind spot - All About Vision

   www.allaboutvision.com/eye-care/eye-anatomy/blind-spot/

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   Are blind spots a normal part of your vision?

   • Blind spots are a normal part of your vision. Why? The optic nerve, which communicates with your brain, passes through a hole in the retina. Because of that hole, we can’t see images that hit that spot. The place in the eye where the optic nerve exits is called the optic disc.

   Blind spot - All About Vision

   www.allaboutvision.com/eye-care/eye-anatomy/blind-spot/

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   How do blind spots affect your vision?

   • Most of the time, you don’t see an object directly in front of you until you move your eyes or head away from the blind spot. Blind spots may begin as a minor nuisance and then become larger, or there may be several scotomas that block your field of vision.

   Blind Spot in Your Eye: Possible Causes & What to Do - Vision Center

   www.visioncenter.org/conditions/blind-spot-one-eye/

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2. • Lack of light-sensitive cells

     

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     • The lack of light-sensitive cells causes a blind spot. Without light-detecting cells, your eye can’t transfer messages about an image to your brain, and your brain can’t interpret the image for you. As there are no cones or rods at this point on the retina, you have a small gap in your visual field.
     www.visioncenter.org/conditions/blind-spot-one-eye/

     Blind Spot in Your Eye: Possible Causes & What to Do

3. www.visioncenter.org › conditions › blind-spot-one-eyeBlind Spot in Your Eye: Possible Causes & What to Do

   www.visioncenter.org › conditions › blind-spot-one-eye

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   Oct 18, 2024 · Each of your eyes has a small functional blind spot where the optic nerve moves through the retina. This spot is called the optic disc, and it’s 1.5 millimeters in diameter. No cells respond to light (photoreceptors) in this tiny area. The lack of light-sensitive cells causes a blind spot.

   • Video Duration: 4 min

4. www.allaboutvision.com › eye-anatomy › blind-spotWhat is the blind spot in my eye? - All About Vision

   www.allaboutvision.com › eye-anatomy › blind-spot

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   May 27, 2021 · Every human eye has something called a blind spot. This natural blind spot is the place in the retina — the light-sensitive inner lining at the back of your eye — that doesn’t have any cells that respond to light. The blind spot sits in the part of your retina where the optic nerve exits the eye.

5. www.healthline.com › health › blind-spot-in-eyeBlind Spot in Eye: Vision, Test, One Eye, Human Eye, Causes ...

   www.healthline.com › health › blind-spot-in-eye

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   Apr 11, 2018 · Having a blind spot in each eye is a natural occurrence and is typically not cause for concern. It occurs because of the structure of the eye and a lack of photoreceptors. You’re...

6. www.britannica.com › science › blind-spotBlind spot | Definition, Function, & Facts | Britannica

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   blind spot, small portion of the visual field of each eye that corresponds to the position of the optic disk (also known as the optic nerve head) within the retina. There are no photoreceptors (i.e., rods or cones) in the optic disk, and, therefore, there is no image detection in this area.

7. my.clevelandclinic.org › health › diseasesScotoma (Blind Spot in Vision): Types, Causes & Treatment

   my.clevelandclinic.org › health › diseases

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   Jan 18, 2023 · What causes a scotoma? Many conditions can cause a scotoma. These include issues with your retina, brain and/or optic nerve. Causes include: Cancer. Multiple sclerosis (MS). Injuries to the retina, including retinal burns. Glaucoma. Stroke. Age-related macular degeneration. Diabetes. Medication side effects. Common causes of central scotomas

8. www.aao.org › eye-health › anatomyBlind Spot - American Academy of Ophthalmology

   www.aao.org › eye-health › anatomy

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   Your retina is made up of light-sensitive cells which send messages to your brain about what you see. Everyone has a spot in their retina where the optic nerve connects. In this area there are no light-sensitive cells so this part of your retina can’t see. We call this the blind spot.

9. www.webmd.com › eye-health › what-to-know-blindWhat to Know About Blind Spots (Scotoma) - WebMD

   www.webmd.com › eye-health › what-to-know-blind

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   Feb 28, 2023 · Scotoma Causes. 7 min read. A scotoma is a blind spot in your vision, which is an area you cannot see. Blind spots may be small or large and can be temporary or permanent. A scotoma can also...