The major side effect seems to be 'dry eyes' which can affect vision.

My sister and I loved this game, but it never affected our vision of what we could actually be.

They didn't seem to affect her vision at all, even though it was close to midnight.

Weather conditions can also affect vision and movement of ground units.

Such an approach may be associated with local complications that can affect vision.

Perhaps the spell, though it should affect only his own vision and not the magic at work about them, had no power here.

He'd been wondering if the lightning had affected his vision.

By age 75, most people have cataracts that affect their vision.

In severe cases, the tumors may affect vision or hearing.

It is not clear whether treating high blood pressure can directly affect long-term vision.