Something that causes a response in a body part or organism. A stimulus may be internal or external. Sense organs, such as the ear, and sensory receptors, such as those in the skin, are sensitive to external stimuli such as sound and touch.
Just curious...given my insurance plan I can get a new pair of frames and lenses once every 2 years, but I realllly love glasses so I tend to purchase about 2 pair per year...Gotta have my style...oh and of course the added benefit of sight is a nice plus:)
How long do I have to wait for my glasses after I have ordered them? Your order will be delivered within 7 - 14 business days. Your glasses will usually reach you faster, but may take the full 14 business days depending on the complexity of your prescription and the package you selected.