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 the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina where the optic nerve passes ...

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 …

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.

Feb 7, 2025 · Scotomas are blind spots—areas you can't see. They appear as dark, very light, blurred, or flickering spots and can be short-lived or permanent. Scotomas often don't cause problems because...

Oct 9, 2024 · A scotoma is a blind spot in your field of vision. This condition may be temporary or permanent. Everyone has a pinhead-sized blind spot that occurs where the optic nerve enters the retina.

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.

May 26, 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. Why do you have blind spots?

1 day ago · Blind spots in vision, also known as a scotoma, can affect one or both eyes. These blind spots can occur in the center or in the edges of your vision. Seek medical care from an ophthalmologist if scotoma appears.

Oct 11, 2024 · Blind spots in the visual field, also known as scotomas, can have a significant impact on an individual's vision and overall quality of life. These blind spots can be caused by a variety of underlying conditions, including glaucoma, retinal detachment, macular degeneration, and other eye diseases.

A blind spot is a small area in the back of the eye where there are no rods and cones, making it insensitive to light. Find out how to measure your own blind spot and test your range of vision with this lesson and activities.