scotoma
1
9.9
- noun
- /skəˈtoʊmə/
- Specialized
:
escotoma
- People with a scotoma may experience difficulty reading because some words appear missing.
- central scotomas
- people with scotomas
Examples
-
The left eye also exhibited a large central scotoma, dyschromatopsia, and a left afferent pupillary defect.
Academic text (2005) -
His contrast sensitivity is markedly reduced, and he has large scotomas in the left eye and scotomas encircling the central retina in the right eye.
Academic text (2007) -
The visual field loss usually begins in the midperiphery and works in and out, creating a ring scotoma.
Academic text (2004) -
Accordingly, Trauzettel-Klosinski (2002) found compensatory strategies that were related to high cortical plasticity in individuals who were affected by a central scotoma.
Academic text (2007) -
However, the ability of persons with macular degeneration to complete these tests heavily depended on their level of visual acuity and was probably also affected by the type of scotoma.
Academic text (2010) -
Legge et al.'s (1997) model predicts that people with central scotomas need to make more regressions while reading.
Academic text (2004) -
Legge et al. (1997) showed that people with central scotomas make more regressions while reading because some letters of a word fall on a scotoma on the retina and are thus not visible.
Academic text (2004) -
The patient must have a corrected visual acuity in his or her best eye of 20/70 or worse, or have a documented central scotoma, a general constriction of the visual fields, or bilateral hemianopia.
Academic text (2007) -
For children with central scotomas (blind spots), parts of words can fall on the retina just at the location of a scotoma (Legge, Klitz, & Tjan, 1997), so that some of the constituent letters of a word may not be seen.
Academic text (2004) -
A scotoma can create a blind spot in your vision that interferes with daily activities.
Synonyms
1
4.8
A small area in the eye where the optic nerve enters and you cannot see
A blind spot in the center of vision that makes it hard to see faces or read
A small blind spot near but not at the center of vision that makes reading hard
A ring of weak or missing vision that surrounds the center of what you see
A blind area that affects one side of the field of vision, often after brain damage
A flashing bright shape that blocks part of your vision before a migraine
A small area where your vision becomes weak with flickering coloured lights, often before a migraine
A problem in the eyes that makes it hard to see
A problem with your sight that makes things look unclear
Antonyms
Compounds
- Specialized
A blind spot in the center of vision that makes it hard to see faces or read
- Specialized
A ring of weak or missing vision that surrounds the center of what you see
- Specialized
A small area where your vision becomes weak with flickering coloured lights, often before a migraine
- Specialized
A blind area that affects one side of the field of vision, often after brain damage
- Specialized
A small blind spot near but not at the center of vision that makes reading hard
- Specialized
A flashing bright shape that blocks part of your vision before a migraine
How Severe
70
3.1
- Specialized
1
9.9
- Specialized
1
9.9
- Specialized
1
4.8
Surface Forms
Etymology
The word scotoma comes from the Greek skotos, meaning 'darkness', and the ending -oma, meaning 'a thing' or 'area'. So a scotoma is like a 'dark spot' in your sight, which is why it means a blind spot or partial loss of vision.