What term refers to paralytic drooping of the upper eyelid?

The term that refers to the condition of paralytic drooping of the upper eyelid is "ptosis." This condition can occur due to various factors, including nerve damage, muscle weakness, or age-related changes. When someone experiences ptosis, the eyelid droops over the eye, which can lead to vision obscurity or eye strain, and it may affect the person's appearance and peripheral vision.

Understanding ptosis is crucial for optometric technicians, as it can indicate underlying conditions that may necessitate further evaluation or intervention. For instance, if ptosis is caused by a neurological issue, it may require coordination with a physician for proper diagnosis and treatment.

The other terms provided do not accurately describe this condition. "Palpebral drape" does not specifically refer to any medical condition related to eyelid drooping, while "limbus" refers to the junction between the cornea and the sclera of the eye. "Paraptosis" is not a standard medical term commonly used to describe eyelid conditions, making ptosis the definitive and exact term for the situation described in the question.