Sometimes, the glasses themselves are responsible for causing the headache. If you wear glasses and find that you experience headaches on a regular basis or even once in a while, take the time to investigate why it may be happening, because wearing eyeglasses shouldnât cause you any pain.
coÂ·heÂ·sion. n. 1. The act, process, or condition of cohering: exhibited strong cohesion in the family unit. 2.
By Anne Marie Helmenstine, Ph.D. Definition: Cohesion is the attractive force between like molecules. Cohesion is the measure of how well molecules 'stick' or group together to themselves.