Ocuprime Singapore : Secondly, a very good way to improve your eyesight naturally is wearing sunglasses. Researchers showed that both your skin and vision can be affected by the UV radiations during the entire year, so you should wear sunglasses regardless the weather. Even though it is said that you can wear glasses only during the summertime,the truth is that the sun is as powerful during the winter, so you should wear sunglasses every time you go outside. Your daily habits can be very damaging for your eyesight, so you should analyze them very well and decide which ones should be given up. If you smoke or drink alcohol, it is absolutely necessary to give up this habit, which can damage your vision very much; the same rule applies for caffeine - avoid consuming more than one or two cups of coffee a day and make sure you do not drink any after 2 pm.