Seeing two of everything can be unsettling, especially if it shows up during a busy workday, while driving, or when you’re trying to read a text on your phone. Double vision (the double vision medical term is diplopia) can feel like your eyes suddenly stopped “teaming” properly. For many people, answers and relief start with a thorough eye exam and, in the right cases, vision therapy that trains the visual system to coordinate more comfortably.  

What does double vision feel like? 

Double vision isn’t always a dramatic change. You might notice: 

• Words “shadowing” or jumping while you read 

• Headaches after screen time 

• Closing one eye to see clearly 

• Difficulty judging distances, especially when tired 

• Eye strain that builds as the day goes on 

These little annoyances can affect confidence behind the wheel, productivity at work, and enjoyment of hobbies. 

Common causes of double vision 

Double vision can be monocular (present even if one eye is covered) or binocular (goes away when either eye is covered). That distinction helps pinpoint the source. 

Some common contributors include: 

• Refractive issues (needing glasses or an updated prescription) 

• Dry eye or irregularities on the front surface of the eye 

• Eye muscle coordination problems, such as convergence insufficiency 

• Prism needs (your eyes may benefit from lens-based alignment support) 

• Neurological or systemic causes, which can involve nerves or muscles that control eye movement 

These causes range from simple to urgent, so it’s important not to self-diagnose based on a quick internet search. If you’re experiencing consistent double vision, make an appointment with an experienced eye doctor right away.  

Sudden symptoms: when to act quickly 

Sudden temporary double vision can sometimes signal issues that need prompt medical attention. Seek urgent evaluation (same day if possible) if double vision is new and paired with: 

• Drooping eyelid, facial weakness, or numbness 

• Severe headache, dizziness, or trouble speaking 

• Recent head injury 

• New imbalance or coordination problems 

If it feels abrupt or “not normal for you,” trust that instinct and get checked. 

How we evaluate double vision at Focus Eyecare 

A targeted double-vision evaluation often includes: 

• Checking each eye’s clarity and prescription needs 

• Assessing eye alignment and tracking 

• Measuring focusing stamina and near-point performance 

• Testing how well your eyes work together under demand (reading, screens, distance shifts) 

The goal is to find the driver behind your symptoms, and determine a treatment that matches your life and needs. Depending on what we find, options may include: 

• Updated glasses or contact lens prescription 

• Prism lenses to reduce the effort of aligning images 

• Dry eye treatment to improve visual clarity and stability 

• Medical referral if findings suggest a neurological, muscular, or systemic concern 

• Binocular vision therapy for coordination, focusing, and tracking challenges 

For many patients, binocular vision therapy is especially meaningful because it addresses the underlying skill set. Think of it as guided training for the visual system: improving how your eyes aim together, sustain focus, and shift smoothly between distances. 

Can vision therapy help double vision? 

People often pursue therapy because they want their normal routines back. Vision therapy may support: 

• Reading with less “swim” or doubling 

• Longer screen time with fewer headaches 

• More comfortable driving, especially at night 

• Better depth perception for sports, stairs, and parking 

Feel steadier, see clearer, get back to your day 

Double vision can drain energy fast, but the right evaluation can pinpoint why it’s happening and what will actually help. If you’re noticing double images, eye strain, or symptoms that flare with reading and screens, schedule an appointment with Focus Eyecare in Novi, MI to discuss testing and treatment options.