Letter D
Double vision
Also known as: Diplopia, Seeing double
Double vision symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Double vision can come from eye-muscle fatigue, diabetes, injury, or nerve problems. It deserves assessment—do not wait if sudden. Avoid driving until you have been checked.
Possible causes
- Eye-muscle fatigue
- Diabetes
- Head injury
- Nerve problems
- Some medicines
When to see a doctor
Seek care promptly for sudden double vision, especially with headache, weakness, or drooping eyelid.