- Headaches
- Back/neck aches
- Spasms/twitches around the eyes
- Dizziness
- Lightheadedness
- Car sickness
- Nausea
- Blurred vision
- Double vision
- Tired or sore eyes
- Dry eyes
- Watery eyes
- Itchy eyes
- Burning eyes (even when closed)
- Heaviness of the eyelids/forehead
- Fatigue
- Reading problems
- Lack of concentration