A scotoma is an area of partial alteration in the field of vision consisting of a partially diminished or entirely degenerated visual acuity that is surrounded by a field of normal – or relatively well-preserved – vision. Every normal mammalian eye has a scotoma in its field of vision, usually termed its blind spot.

Many things can cause a scotoma, or blind spot. Causes range from migraine headaches to retinal conditions to tumors. Treatment depends on what’s causing the scotoma. What is a scotoma? Scotoma (pronounced skuh- tow- muh) is the medical term for a visual field abnormality, or a blind spot.

2024年10月9日 · 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 …

2020年11月12日 · Scintillating scotomas are typically caused by what’s known as cortical spreading depression. Basically, this is abnormal electrical activity moving through your brain. These electrical...

2024年10月17日 · What is a scintillating scotoma? A scintillating scotoma is a shimmering or glittering blind spot in your vision. “ Scotoma ” means “blind spot,” and scintillating scotoma is a specific type of blind spot.

2025年2月7日 · 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 you...

2025年1月2日 · Central scotoma is a visual impairment characterized by a blind spot in the central field of vision. This condition can significantly affect your ability to see fine details, read, or recognize faces, as it obstructs the area where your vision is typically sharpest.

2021年1月5日 · There are different types of scotomas, based on appearance and location. Where a scotoma appears in your field of view and what it looks like help your eye doctor determine its underlying cause. It’s possible to have one or more types of scotomas, and blind spots can occur in one or both eyes.

2024年8月26日 · Scotoma is one of the conditions that affects your eyesight by creating a blind spot in your field of vision. Scotomas are underlying vision problems that lead to the formation of a blind spot in your line of vision. It is also known as a blind spot, or aura, in the vision.

Scotoma, often referred to as a "blind spot," is a significant area of diminished or lost vision in an otherwise normal visual field. This condition can be a result of various underlying health issues and can significantly impact one's quality of life.