Name a symptom that may require urgent eye care.

Sudden loss of vision is a critical symptom that necessitates urgent eye care because it can be indicative of serious underlying conditions requiring immediate medical intervention. This symptom could be a sign of a retinal detachments, an ocular stroke (central retinal artery occlusion), or other acute issues that, if not treated promptly, can lead to permanent vision loss. Timely assessment and management are essential to potentially restore vision or at the very least, prevent any further deterioration.

In contrast, although blurred vision, headaches, and itching with redness can significantly impact a person's quality of life, they typically do not represent emergencies in the same way sudden loss of vision does. These conditions may be related to refractive errors, allergic reactions, or migraines, which, while requiring evaluation and management, usually allow for a more measured response time.