In convergence insufficiency, movements of one eye don’t line up exactly with the movements of the other. The eye muscles in people with CI work normally. So the problem seems to be with the brain or ...

Brendan Good, 8, tries to keep one image in focus as vision therapist Kara Cook slowly pulls two transparent versions of the image apart on a vectogram. This is a test she uses to evaluate convergence ...

When COVID-19 first shut down classrooms and virtual schooling became the new norm, ophthalmologists predicted an increase in digital eye strain in children. New research from ophthalmologists at ...