However, the field of light study is vast and encompasses many different aspects. So, depending on the specific area of study, other terms may be more accurate:

* Physicist: Studies the fundamental properties of light, including its wave-particle duality and interactions with matter.

* Optometrist: Focuses on the eye and vision, diagnosing and treating eye conditions.

* Optical engineer: Designs and develops optical systems, such as lenses, mirrors, and lasers.

* Photonics engineer: Works with the use of photons (light particles) for technology, such as in fiber optics and lasers.

The best term to use depends on the specific area of light study being discussed.