I wear glasses my vision is terrible. I am near-sighted.
That is exactly what they are used for, vision correction.
I wish I could see without them though, my vision is so bad I need my glasses to find my glasses if they fall off my night stand.
in the lenses. Some types of safety glasses are used to protect against visible and near-visible light or radiation. Glasses are worn for eye protection in some sports, such as squash.
Glasses wearers may use a strap to prevent the glasses from falling off during movement or sports. Wearers of glasses that are used only part of the time may have the glasses attached to a cord that goes around their neck, to prevent the loss of the glasses and breaking.
Sunglasses allow for better vision in bright daylight
going wrong); e.g. "I am having a problem finding my glasses" (right now, I'm looking for my glasses but I can't find them) vs. "I have a problem finding my glasses" (I often lose my glasses and can't find them).
This construction describes the simple engagement in a present activity, with the focus on action in progress "at this very moment". It too can indicate a future, particularly when discussing plans already in place: "I am flying