Chips and cracks on a windscreen can be a huge problem. Depending on where they are located, they can affect your view of the road in front of you, as well as potentially distracting you from the road ahead.
Having new and clean windscreen wiper blades is also another way to help make sure that your screen is clean and clear which reduce's the dazzling effect of the sun’s rays
A windscreen chip can turn into a windscreen crack at any time and if this happens when you are driving it could have a serious effect on your safety.
If a windscreen chip isn't repaired, a windscreen crack can form due to heat, moisture, frost ,dirt and vibration, any dirt or moisture entering a windscreen chip will make it more difficult to produce a visually acceptable repair, repairing a chip when you first notice it is a much better idea than letting the damage get worse.
Repairing a windscreen chip can take less than 30 minutes when done by a reputable professional. So it's important to act quickly when a windscreen chip has formed, because it's cheaper to repair a chipped windscreen then it is to get a windscreen replacement.
Credit to Drive Like A Girl