Thomas Young discovered astigmatism and how the lens of the eye changed shape in order to focus on objects located at different distances.

The John McAllister firm was the First U.S. Shop for Optometric Services manufacturing a variety of spectacle frames, that were versatile in nature and that allowed an individual the ability to easily change the lenses within their frames.

King Charles I granted a royal charter in 1629 to the Worshipful Company of Spectacle Makers in London providing the company the ability to set regulations and standards for optical devices.

Kepler wrote a book titled Astronomia Pars Optica, earning him the title of founder of modern optics. It was in this book that he documented his observations, experiments and formulas accurately depicting the process of refraction within the eye.

Gremlin the dog gets contact lenses after a difficult life.