Brief Answer:
detailed below.

Detailed Answer:
Hello,

Welcome to Healthcare Magic.

I read carefully your query and understand your concern.

It might be related to a problem with the blood vessels that supply the part of the brain responsible for processing the visual information.This is the occipital cortex and it is supplied from vertebrobasilar arteries.
These symptoms you describe can be a result of an obstruction of blood flow due to compression of a vertebral artery and this will decrease the blood supply for these specific areas of the brain .This can be a mechanical compression and the compression might be present in a specific position of the head depending on what is causing the compression.
Most common causes are vertebral problems like cervical bone spurs, bony malformations,disk rupture, abnormal muscle insertions,arthritis and dislocations.

You should consult a physician as soon as possible and get examined.
You may need to run some tests like:
-Transcranial Doppler
-magnetic resonance angiography .

Hope it helps.
Let me know if you have any other question.I will be happy to help.

Kind regards,
Dr.Rovena Murati

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