What is a significant symptom of Wilson's disease related to eye findings?

Kayser-Fleischer rings are a significant symptom of Wilson's disease, which is a genetic disorder that leads to excessive copper accumulation in the body. These rings are deposits of copper that form around the corneal margin and can be visualized during an eye examination. They often appear as a green or golden-brown ring and serve as a distinctive diagnostic feature for Wilson's disease.

The presence of Kayser-Fleischer rings is closely associated with the neurological and hepatic symptoms of the disease, as the accumulation of copper can impact various organs, notably the liver and brain. Identifying these rings can aid healthcare professionals in making a timely diagnosis, allowing for appropriate management to prevent further complications.

The other options do not directly relate to Wilson's disease in the same prominent way. For instance, visual field loss and color blindness can occur due to various ocular or neurological conditions but are not specific to Wilson's disease. The halo effect is also not a recognized symptom of this disorder. Thus, the clear identification of Kayser-Fleischer rings makes them a key indicator in the diagnosis of Wilson's disease.