The winter may be the coldest and darkest season, but that doesn’t prevent glare through the windows of workplaces being a problem during this time of year. Indeed, the low-lying nature of the winter sun might make glare more of an issue for staff at a given premises than it is at the height of summer.

Glare happens when the brightness or angle of the sun interferes with vision or makes it uncomfortable to see. During the darker and chillier months, workers at tall office buildings or…