Neuro Ophthalmology Glossary
100 terms total — 4 showing — Last updated 15 Sep 2026
hemianopsia
Loss of vision in half of the visual field of one or both eyes.
accommodative convergence
The involuntary convergence eye movement that accompanies accommodation when focusing on near objects.
convergence insufficiency
A binocular vision disorder where the eyes cannot converge adequately for comfortable near vision work.
PERG
Pattern electroretinogram, a specialized test measuring retinal ganglion cell function important in optic nerve disease...
vergence
Simultaneous movement of both eyes in opposite directions to maintain binocular fixation.