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1. • Lack of photoreceptor cells

     

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     • A physiological blind spot exists in all healthy individuals due to the lack of photoreceptor cells in the area where the optic nerve emerges through to the retinal plane (optic nerve head / optic disc).
     geekymedics.com/blind-spot-assessment-osce-guide/

     Blind Spot Assessment - OSCE Guide | Eye Examination | Geeky ...

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   What is a physiological blind spot?

   • You may also be interested in our complete guide to the examination of the eyes and assessment of vision. A physiological blind spot exists in all healthy individuals due to the lack of photoreceptor cells in the area where the optic nerve emerges through to the retinal plane (optic nerve head / optic disc).

   Blind Spot Assessment - OSCE Guide | Eye Examination - Geeky Medics

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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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   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

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   Why do I have a blind spot?

   • You have a blind spot because there's a tiny portion of your retina (that area of your eye that normally detects light) without light receptors. This area is located where your optic nerve enters the back of your eye. Every human eye has a blind spot. Your blind spot is roughly 7.5° high and 5.5° wide.

   What Your Blind Spot Really Is - Verywell Health

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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

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   Why is the location and size of my Blind Spot so precise?

   • The location and size of your blind spot are so precise because it corresponds to the location of structures inside your eye. Your optic nerve detects visual input (the things you see). This nerve enters the back of your eye and spreads nerve fibers onto the back of the eye to make up a light-detecting cell layer (the retina).

   What Your Blind Spot Really Is - Verywell Health

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

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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. geekymedics.com › blind-spot-assessment-osce-guideBlind Spot Assessment – OSCE Guide - Geeky Medics

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   May 7, 2020 · A physiological blind spot exists in all healthy individuals due to the lack of photoreceptor cells in the area where the optic nerve emerges through to the retinal plane (optic nerve head / optic disc).

   • Author: Dr Lewis Potter

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

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   Jan 18, 2023 · Scotoma (pronounced skuh-tow-muh) is the medical term for a visual field abnormality, or a blind spot. Most of these blind spots happen in one eye, but they can happen in both eyes.

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

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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.

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

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   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.

8. www.visioncenter.org › conditions › scotomaDifferent Types of Scotoma: Symptoms & Causes - Vision Center

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   Oct 9, 2024 · A scotoma is a temporary or permanent condition that causes a blind spot in your eye. It can cause reading problems, floaters, and vision loss, which may be permanent. Various health conditions and injuries can cause scotomas. Different types of scotomas may affect your eye in different ways.

9. www.verywellhealth.com › what-is-a-blind-spot-3421929What Your Blind Spot Really Is - Verywell Health

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   Nov 9, 2022 · A blind spot is a very small gap in the visual field of each eye—an area of your relatively nearby surroundings that you can't see. It may sound like a physical defect, but everyone has a small natural blind spot (physiological blind spot), and it's not usually noticeable.