heh-mee-an-OP-see-uh Reduced vision or blindness in one half of the field of vision in either or both eyes.
(or hemianopia). Loss of one half of the visual field of one or both eyes, referred to as unilateral or bilateral hemianopsia. See visual field defects.
loss of sight in one half of the visual field. damage to either middle cerebral artery can cause This blindness affects the contralateral aspect of both visual fields. For example, a blockage in the right middle cerebral artery will cause left hemianopsia or blindness in the left visual field of both eyes.
Blindness for half the field of vision in one or both eyes.
Field loss that occurs when a specific portion of the optic pathway malfunctions, usually because of pressure from a tumor. The degree of the field loss depends on the type, amount, and location of the pressure. Field losses can be corresponding (the same
Greek hemi = half, an = negative, opsis = vision, hence loss of half of the field of vision.
blindness in one half of the visual field of one or both eyes
loss of vision involving one half of the visual field, i.e. one hemifield is lost
Loss of vision, due to brain malfunction, for the right or left portion of vision, which may involve either or both eyes.
One-sided visual field loss.
Visual field cut. Blindness for one half of the field of vision. This is not the right or left eye, but the right or left half of vision in each eye.
loss of vision in one half of the visual field of each eye
Loss of one half of the visual field. May be "homonymous" (same half of both eyes, i.e. left field of both eyes) or bitemporal (lateral portion of visual field for each eye).
Loss of one half of the field of vision (the area that can be seen by each eye when staring straight ahead).
Loss of part of one's visual field in one or both eyes.