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Sunflower syndrome

A rare, photosensitive epileptic disorder characterized by highly stereotyped seizures. During these seizures, individuals with Sunflower syndrome turn toward a bright light while simultaneously waving one hand in front of their eyes. This unique behavior is coupled with abrupt lapses in consciousness.

Therapeutic area: Rare Disease
Rarity: Rare
Prevalence: ~100k patients (est.)
MONDO: MONDO:0100529

Overview

A rare, photosensitive epileptic disorder characterized by highly stereotyped seizures. During these seizures, individuals with Sunflower syndrome turn toward a bright light while simultaneously waving one hand in front of their eyes. This unique behavior is coupled with abrupt lapses in consciousness.

Content last reviewed: 2026-06