What visual symptom is commonly reported by patients with Central Retinal Vein occlusion?

Patients with Central Retinal Vein Occlusion (CRVO) often report sudden unilateral painless blurred vision as a primary symptom. This condition occurs when the main vein that drains blood from the retina becomes obstructed, leading to fluid accumulation and potential retinal damage. The sudden nature of the vision change is a hallmark of CRVO, distinguishing it from other conditions that may present with gradual or progressive vision loss. The blurriness may vary in intensity, but it is often accompanied by a sudden onset, which aligns closely with the characteristics of this condition. This symptom is significant as it prompts patients to seek immediate evaluation, essential for timely management to prevent further visual impairment.