Insight into Low Vision

'Aspheric' refers to a type of lens design. It is recommended for those high-powered reading and magnifying eyeglasses. There is also an aspheric design for those who are very near-sighted and wear...

You think that it should be simple: aren't all eyeglass lenses clear plastic: Most are, but there are several types of plastic, each with features that differentiate them by how they function.  ...

Low vision devices come in many forms. They can be optical, such as lenses, eyeglasses, and telescopes, electronic devices, such as video magnifiers, CCTVs, and digital assistants, or objects adapted...

Near vision can be improved by strengthening the eyeglass prescription to magnify. The advantages of high powered reading glasses are that they can have a larger field of view and are...

Hand-held optical magnifiers come in many styles, sizes, and magnification powers. Commonly, they are sold as either round or rectangular clear lenses, with a handle. Other types include small pocket...

Optical Character Recognition (OCR), Text-to-Speech (TTS), and Speech Recognition Software (Speech-to-Text, STT) These are three technologies that can be used to manipulate the printed word to...