I work in the field. Your vision will naturally get worse at around 40, where it become more difficult to focus. Presbyopia is the term. Vision problems for most people is due to astigmatisms which are where the shape of the eye is off. Its either too short or long. This effects where the image comes in the pupil and hits the back of the eye. A perfect shaped eye hits its target, and is in focus. The astigmatism the focus point is either too far forward or far back. This result in either near-sightness or far sightness.
With the glasses if you wear them, make sure they designed to fit your face shape. The nerdy 50's glasses and hipster glasses are really popular now.
With the glasses if you wear them, make sure they designed to fit your face shape. The nerdy 50's glasses and hipster glasses are really popular now.