Voluntary Nystagmus By: Jeffrey Colburn, MD This interesting video clip, shared with permission, shows voluntary nystagmus. Nystagmus, the medical term for abnormal eye shaking, can sometimes be a sign of a serious medical or neurologic problem. Sometimes it is can be present from infancy due to some factor interfering with the calibration of the brain's ability to hold the eyes steady and on target. In that case it is not dangerous but can limit vision. Nystagmus is generally involuntary, meani

Adeel Ur Rehman on Instagram: "Ever heard of nystagmus? It’s a condition causing involuntary, repetitive eye movements. 👁️ ➡️ 🔄 Not all eye "shaking" is the same! Here’s a quick breakdown: 1️⃣ Pendular Nystagmus The eyes swing rhythmically back and forth like a pendulum(think a smooth side-to-side swing). Often related to conditions affecting the central vision or brainstem. 2️⃣ Horizontal Nystagmus The most common type.Eyes jerk quickly in one direction (right or left) and slowly drift back.