While inspecting the external eye of a client, the nurse notes that the client's right eyelid droops. Which term would the nurse use to document this finding?

A. Ectropion: This condition involves the eyelid turning outward, not drooping. B. Presbyopia: This is age-related loss of near vision, not related to eyelid position. C. Ptosis: Ptosis refers to drooping of the upper eyelid, which is the correct term for the described finding. D. Entropion: This condition involves the eyelid turning inward, not drooping.