Blind spot (vision) - Wikipedia
A blind spot, scotoma, is an obscuration of the visual field. A particular blind spot known as the physiological blind spot, "blind point", or punctum caecum in medical literature, is the place in …
Blind spot | Definition, Function, & Facts | Britannica
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., …
Blind spot - All About Vision
2021年5月27日 · 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 …
The point where your optic nerves converge to exit the eye and into the brain is known as the optic disc. This area of the eye has no light-sensitive cells to detect light rays. This results in a …
Optic disc - Wikipedia
The optic disc or optic nerve head is the point of exit for ganglion cell axons leaving the eye. Because there are no rods or cones overlying the optic disc, it corresponds to a small blind …
What Is the Optic Disc? - Medical Definition - All About Vision
2023年1月11日 · The optic disc is a round, slightly raised area at the border of the macula and the peripheral retina, and it can be yellow-orange or pink. It is the only spot on the retina that has …
Optic Disc - Structure, Function, Anatomy, Location, Diagram
2024年12月11日 · The optic disc, also known as the blind spot, is a small circular area on the retina where the axons of retinal ganglion cells converge to form the optic nerve, which …
What to Know About Blind Spots (Scotomas) - WebMD
2023年2月28日 · One scotoma, or a blind spot in vision, is normal in each eye. This is the optic disk, the place on the retina where the optic nerve starts. There are no rods or cones in this …
A Blind Spot in the Retina Occurs Where? | Eye-Opening Facts
Key Takeaways: Blind Spot in the Retina Blind Spot Location: Occurs at the optic disc where the optic nerve exits. No Photoreceptors: This area lacks rods and cones, leading to visual gaps. …
Optic disc: Anatomy, function and location - Kenhub
2023年10月30日 · The optic disc is the only area on the retina without any photoreceptors; hence it is known as the 'blind spot' of the eye. Because of its visibility upon clinical examination …