Which term is used to describe the professional designation of a person who prescribes corrective lenses?

The term that describes the professional designation of a person who prescribes corrective lenses is "Optometrist." Optometrists are healthcare professionals who conduct eye examinations, diagnose vision problems, and prescribe corrective lenses such as eyeglasses or contact lenses. They are trained to assess a patient's visual system and make recommendations for vision correction.

Ophthalmologists, on the other hand, are medical doctors who can provide a wider range of eye care, including surgery, and typically have more extensive training in medical and surgical eye conditions. While they can also prescribe corrective lenses, their primary role involves managing and treating eye diseases.

Opticians are technicians who primarily fit and dispense prescription eyewear but do not prescribe these lenses. They interpret the prescriptions provided by optometrists or ophthalmologists. Ocularists specialize in the fabrication and fitting of artificial eyes (ocular prosthetics) for patients who have lost an eye, which is distinct from prescribing corrective lenses.

Therefore, the correct choice emphasizes the specific role of the optometrist in prescribing corrective lenses within the scope of eye care professionals.