NEW ORLEANS — A longer visual field test conducted using at-home virtual reality technology may improve adherence and data accuracy in patients with glaucoma, according to Benjamin T. Backus ...

Enlarge this image Visual field testing usually requires an expensive machine. This man in Nepal helped test an iPad app.

A University of Toronto team led by Professor Moshe Eizenman has developed a simple, inexpensive way for people to test their own vision for early signs of glaucoma. Using a smartphone and a $25 ...

Since visual fields are a test most of us order daily, it’s probably worth reviewing some details about which tests are best to order and how they differ from each other.