Constant dizziness and eyes black out for a few moments. constant dull headaches and random sharp ones. moderate fatigue. all symptoms for 1 month?

Intracranial HTN?: Transient obscurations of vision (tov) that you describe can be associated with benign intracranial hypertension (aka pseudotumor cerebri). Alternatively tov can be associated with vertebrobasilar artery disease, but this is less likely in an 18 year old. An ophthalmologist/neuro-ophthalmologist can make the diagnosis by looking in the eyes for optic disc swelling (papilledema) and with a ct scan.

General Health: Your symptoms might be related to your eyes or to that of the body. Many of these symptoms might indicate other physical problems like anaemia for example or mental health problem like stress. I would suggest to see your doctor for full assessment including physical examination and investigations as deemed necessary to find a cause of your symptoms.