What happens when your eyes suddenly go blind and recover?

Sudden blindness and recovery may be caused by orthostatic hypotension, cervical spondylosis, ocular fundus vasospasm, etc.

1. Orthostatic hypotension may

cause orthostatic hypotension due to insufficient blood volume, adverse drug reactions, weakened homeostatic regulation function, abnormal autonomic nervous function, etc., which may cause dizziness, blackness, etc. after suddenly standing up.

2. Cervical spondylosis

cervical degenerative disease, cervical dysplasia, chronic strain and other reasons may cause cervical spondylosis. When spurs oppress the vertebral artery, patients may suddenly lose sight and recover, accompanied by dizziness, vomiting and other symptoms.

3. ocular fundus vasospasm

Alcoholism, long-term fatigue, overwork, etc. may lead to ocular fundus vasospasm, thus causing sudden blindness and recovery.