Hiring a contractor without clear and specific rules can significantly increase the project execution risks. Many project managers are not aware of all the risks they are taking, and therefore, fail by not taking preventive actions.
Glasses or contacts, lens care is important as unclean lenses can lead to eye infection, any further vision problem or even blindness. Only hygiene will ensure your eyes stay healthy and you are able to see clearly. Not only glasses, even your contact lenses can be cleaned. It is easy but you need to be careful because incompatible cleaning products can hamper the lenses.