Convergence, Accommodation, and Eye Teaming

This is how your eyes work together to focus, track, and process information. These skills are essential for reading, learning, and sports. If they don’t function properly, it can lead to blurred vision, headaches, double vision, and difficulty focusing.

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What is Convergence?

Convergence is when both eyes turn inward toward the nose to track something up close, like a book or a phone screen.

✅ Healthy Convergence: Eyes smoothly come together to focus without strain.

❌ Convergence Insufficiency: Eyes struggle to turn in, causing pain or double vision when reading.

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What is Accommodation?

Accommodation is when the lens in the eye is moved to change focus on something near or far. Think of it like changing focus on a professional camera.

✅ Healthy Accommodation: Eyes smoothly shift focus from really far away to right in front of your face.

❌ Accommodative Insufficiency: Eyes struggle to shift focus to far or near, causing blurry or double vision when reading.

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What is Eye Teaming?

Eye Teaming (Binocular Vision) is how both eyes work together to form one clear image. If the eyes don’t team properly, they may send different images to the brain, leading to eye strain, trouble focusing, or difficulty judging distances.

✅ Good Eye Teaming: Both eyes move in perfect sync, giving clear vision and accurate depth perception.

❌ Poor Eye Teaming: One eye may drift in, out, or just around causing visual confusion, dizziness, or reading struggles.

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How do you test Convergence and Eye Teaming?

We use special equipment called the Keystone VS-V machine that measures how the eyes work together to judge distances. This is tested via showing images to each eye individually and using lenses to simulate changes in distance!