Significant loss of vision in a patient with hypertension can occur due to all of the following except:

Question

Image below highlights jugular foramen. Which of the following structures do not pass through the marked structure “A”?

Answer 1

This question asks us to separate the hypertension related eye and brain changes that genuinely threaten vision from the one that mostly serves as a warning sign. Let's go through each option.

Occipital infarct: A stroke in the occipital lobe destroys the brain tissue that interprets visual signals, so it causes a real and often marked loss of the visual field, sometimes affecting one whole side of vision in both eyes.
Anterior ischemic optic neuropathy: Malignant hypertension can starve the optic nerve head of blood, damaging the nerve fibers directly. This produces sudden, often severe and permanent visual loss in the affected eye.
Papilloedema: This is swelling of the optic disc from raised intracranial pressure in severe hypertension, and it is a sign of how advanced the disease is, but the swelling itself rarely reduces central vision by much. Most patients keep near normal visual acuity unless a further complication like bleeding sets in.
Retinal hemorrhage: Bleeding into the retina, especially near or in the macula, directly damages the light-sensing tissue used for sharp central vision, so it can cause significant visual loss.

Three of the four options directly injure either the visual pathway in the brain or the light-sensing retina and optic nerve tissue. Papilloedema stands apart because the disc swelling itself, without an added complication, usually does not take away significant vision.

Let's summarize:

Occipital infarct, optic neuropathy and retinal hemorrhage all directly damage vision-carrying tissue.
Papilloedema is mainly a marker of severe hypertension and by itself rarely causes major vision loss.

So the exception is papilloedema, option (3).

Answer 2

This question asks us to separate the hypertension related eye and brain changes that genuinely threaten vision from the one that mostly serves as a warning sign. Let's go through each option.

Occipital infarct: A stroke in the occipital lobe destroys the brain tissue that interprets visual signals, so it causes a real and often marked loss of the visual field, sometimes affecting one whole side of vision in both eyes.
Anterior ischemic optic neuropathy: Malignant hypertension can starve the optic nerve head of blood, damaging the nerve fibers directly. This produces sudden, often severe and permanent visual loss in the affected eye.
Papilloedema: This is swelling of the optic disc from raised intracranial pressure in severe hypertension, and it is a sign of how advanced the disease is, but the swelling itself rarely reduces central vision by much. Most patients keep near normal visual acuity unless a further complication like bleeding sets in.
Retinal hemorrhage: Bleeding into the retina, especially near or in the macula, directly damages the light-sensing tissue used for sharp central vision, so it can cause significant visual loss.

Three of the four options directly injure either the visual pathway in the brain or the light-sensing retina and optic nerve tissue. Papilloedema stands apart because the disc swelling itself, without an added complication, usually does not take away significant vision.

Let's summarize:

Occipital infarct, optic neuropathy and retinal hemorrhage all directly damage vision-carrying tissue.
Papilloedema is mainly a marker of severe hypertension and by itself rarely causes major vision loss.

So the exception is papilloedema, option (3).

Significant loss of vision in a patient with hypertension can occur due to all of the following except:

Show Hint

The Correct Option is C

Solution and Explanation

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