For negative prescriptions, I would suggest always wearing them. While 0.25 is very small, its still better, and can reduce headaches. The effect of not wearing

For negative prescriptions, I would suggest always wearing them. While 0.25 is very small, its still better, and can reduce headaches. The effect of not wearing glasses is that your brain makes you squint, squeezing the lens of your eye slightly. Over longer periods of time this causes muscle fatigue around your eyes leading to odd conditions, perhaps like the one you described. This is all from personal experience and I am not a doctor