What symptom is associated with blepharoptosis?

Blepharoptosis refers specifically to the condition of having droopy eyelids. This occurs when the upper eyelid sags and may cover part of the eye, which can affect vision and appearance. The term itself is derived from Greek words meaning "eyelid" and "to fall." The symptom of droopy eyelids is the defining characteristic of blepharoptosis, making it the most accurate choice in this context.

In contrast, the other options relate to different conditions or symptoms that do not indicate blepharoptosis specifically. For instance, itching of the eyelids may suggest an allergic reaction or irritation, excess tearing could be associated with different issues such as conjunctivitis or blocked tear ducts, and eye redness often points to inflammation or infection. None of these symptoms directly relate to the condition of eyelid droopiness that defines blepharoptosis.