A flower is the reproductive unit of an angiosperm plant. There is an enormous variety of flowers, but all have some characteristics in common. The definitive characteristic of the angiosperms is the enclosed ovary, which contains and protects the developing seeds.
A lesion to the optic tract on the right would cause this visual field defect. Left homonymous superior quadrantanopia (Pie in the SKY) A lesion to the right temporal lobe would cause this visual field defect. Left homonymous inferior quadrantanopia (Pie in the FLOOR) A lesion to the right parietal lobe would cause this visual field defect. Macula. A lesion in the visual cortex causes visual field defects similar to that of other lesion, with the exception of sparing of this portion.
Quadrantanopia is a specific kind of eye disorder that affects one quadrant of an individual's vision. This condition falls under the general category of anopia, or impaired vision. Eye experts and medical personnel use terms like these to identify parts of the visual field, or the range of vision for an individual. In quadrantanopia, one quarter of the visual field is affected. Medical personnel will generally refer to hemispheres of the visual field in terms of right and left. They may refer to the top and bottom atmospheres of the visual field as superior and inferior.