Is having poor night vision a symptom of glaucoma?

Halos around light: If there are halos around light, this is a symptom of high pressure or glaucoma which causes glare. Also people with glaucoma can have field loss which contributes to poor night vision.

Possibly: If its advanced. Most glaucoma, if its open angle , don't have symptoms. Poor night vision can be from a lot of things, cataracts, retinitis pigmentosa, macular degenerations, etc.

Possible: Not a typical presenting symptom but at more advanced stages, especially if both eyes affected, contrast sensitivity will be decreased.