Get checked: This sounds like floaters which tend to be benign. But if it is a new change, especially if there are visual changes, then do get checked by optometrist or ophthalmologist. Why did you get lumbar puncture? For that reason, you should probably get checked also.
Answered 9/13/2020
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Full eye exam/MRI: Many things can cause this. Typically black spots are "floaters" or problems with the vitreous fluid in your eye. However, pulsating can be a problem with the optic nerve and vasculature of your eye. Given your LP "pressure of 30" you need a pupil exam, a full exam of your retina and optic nerve, and likely visual field testing with OCT testing of your optic nerves, CT/MRI scan brain
Answered 9/15/2018
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