Answer: Lenscrafters Circa was the name of a microscope which was discovered/invented by Zacharias Janssen in the late 16th Century. At that time it was quite an advanced discovery for any Spectacle maker.
The clarity was not that clear through this microscope but it was enough to tell that through this device you can examine an object deeply and in the betterment of science it was a great instrument which is getting used till not by many science practitioners.