Presbyopia, or “lao hua yan,” is one of the most common vision conditions, affecting nearly everybody over the age of 40. It is an age-related loss of near focusing ability by the human eye and results in the inability to see clearly close objects; it is repairable through reading glasses or other corrective aids. Together with ageing populations, the demand …

At our company, we typically receive inquiries from customers requesting us how much it will cost to install a brand new air conditioner in Singapore. The fact is, the prices vary depending on the type of unit, the installation complexity level, and how many rooms or what size you would like to air-condition. While many people look for the cheapest …