What causes right inferior quadrantanopia?

A superior quadrantanopia results from an insult to the optic radiation inferiorly in the temporal lobe, resulting in a ‘pie in the sky’ type of visual field defect (Figure 1d), while an inferior quadrantanopia is caused by damage to the parietal lobe optic radiation (Figure 1e).

What is inferior quadrantanopia?

Homonymous inferior quadrantanopia is a loss of vision in the same lower quadrant of visual field in both eyes whereas a homonymous superior quadrantanopia is a loss of vision in the same upper quadrant of visual field in both eyes.

What causes Bitemporal superior quadrantanopia?

Homonymous superior quadrantanopia is caused by damage to the contralateral inferior parts of the posterior visual pathway: the inferior optic radiation (temporal Meyer loop), or the inferior part of the occipital visual cortex below the calcarine fissure.

How is Hemianopsia treated?

How is hemianopia treated?

1. wearing prismatic correction glasses to help with double vision.
2. getting vision compensatory training to help you use your remaining vision more efficiently.
3. undergoing vision restoration therapy to improve visual information processing.

Which is the most common cause of quadrantanopia?

While quadrantanopia can be caused by lesions in the temporal and parietal lobes, it is most commonly associated with lesions in the occipital lobe 1).

What’s the difference between inferior and superior quadrantanopia?

Homonymous inferior quadrantanopia is a loss of vision in the same lower quadrant of visual field in both eyes whereas a homonymous superior quadrantanopia is a loss of vision in the same upper quadrant of visual field in both eyes 3).

Can a optic radiation lesion cause quadrantanopia?

Quadrantanopia. It can be associated with a lesion of an optic radiation. While quadrantanopia can be caused by lesions in the temporal and parietal lobes, it is most commonly associated with lesions in the occipital lobe.

What kind of seizure is left superior quadrantanopia?

The patient may have complex partial seizures and a left superior quadrantanopia as the result of a right temporal lobe lesion. The patient and her mother have preservation only of the central vision during daytime. If examination of her fundi showed clumping of retinal pigment, the diagnosis of retinitis pigmentosa would be certain.