Hand​ magnifiers are one of the most common types of magnifiers available and will be familiar to most people. 

Reading for longer periods of time usually requires the use of a stand magnifier.

Hands-free magnificationis an important category and may be required for a variety of reasons.

Electronic Magnifiers, Digital Magnifiers, Video Magnifiers & CCTV systems are all terms to describe 'Electronic Vision Enhancement Systems (EVES)'.