noun (plural scotomas or scotomata /-mətə/)Medicine
A partial loss of vision or a blind spot in an otherwise normal visual field.
- At each monthly visit patients should be questioned regarding possible visual disturbances including blurred vision or scotomata.
- Patients with age-related macular degeneration may complain of acute loss of vision, blurred vision, scotomas or chronic distortion of vision.
- The patient performs this test daily at home and is instructed to call the physician if line distortions or scotomas are detected and persist for one or two days.
Mid 16th century (denoting dizziness and dim vision): via late Latin from Greek skotōma, from skotoun 'darken', from skotos 'darkness'.
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