Disorders of visual pathways in (due to) vascular disorders, right side Save

Disorders of Visual Pathways in Vascular Disorders on the Right Side

Visual pathways are the pathways that carry visual information from the eyes to the brain. These pathways consist of the optic nerves, optic chiasm, optic tracts, lateral geniculate nucleus, and visual cortex. Any damage or disruption to these pathways can cause visual impairment or blindness. Vascular disorders, such as stroke, can cause damage to these pathways, particularly on the right side of the brain. Here are some of the common disorders of visual pathways in vascular disorders on the right side:

1. Homonymous Hemianopia: This is a condition where there is loss of vision in half of the visual field in both eyes. Homonymous hemianopia occurs when there is damage to the optic tract or visual cortex on one side of the brain. If the damage is on the right side of the brain, the loss of vision will be on the left side of the visual field in both eyes.
2. Visual Agnosia: This is a condition where the patient is unable to recognize or identify objects that they see. Visual agnosia is caused by damage to the visual association areas in the brain. If the damage is on the right side of the brain, the patient will have difficulty recognizing objects in the left visual field.
3. Alexia without Agraphia: This is a condition where the patient is unable to read, but can still write. Alexia without agraphia is caused by damage to the left visual cortex, which is responsible for processing written language. If the damage is on the right side of the brain, the patient will have difficulty reading words in the left visual field.
4. Bilateral Simultaneous Scotoma: This is a condition where there is a blind spot in the central visual field of both eyes. Bilateral simultaneous scotoma is caused by damage to the optic chiasm, which is the point where the optic nerves from both eyes cross. If the damage is on the right side of the chiasm, the blind spot will be in the central visual field of both eyes.

It is important to note that these disorders may not occur in isolation and may occur simultaneously. The severity of these disorders varies depending on the extent of the damage and the location of the lesion. It is important to seek medical attention if you experience any visual symptoms, as early detection and treatment can help prevent further damage.