No, it wouldn't be worse. According to the eye care experts, the corrective contact lenses prescription wouldn't make eye vision worse. As we all known, contact lenses have similar function as regular glasses, maybe it brings a more convenient and easier way to people who need to correct eye vision. However, some people would be scare about inserting two foreign objects into their eyes. Hence, you had better to get suggestion from an ophthalmologist to know which type of contact lenses is suitable for your situation. And you should take care of the utilization and care of your contact lenses, so that it wouldn't affect your vision in a negative way.