Get an eye test. The person testing your eyesight may recommend glasses, or if your eyes are suitable, contact lenses. Failing that, eat carrots.

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I know this is a bit late reply, but since vision loss is now common among teenagers, I think this topic is still relevant. Before getting any treatment, you should diagnose the exact cause of your vision loss. If it is because of the over strain of your eyes, then you can try some simple eye exercises and use eye drops to get a better vision. It is important to give rest to your eyes in order to reduce the discomforts. You should also concentrate on your diet. Try to include leafy vegetables, citrus fruits, and of course carrots Recently I happened to read an article on eye health ( kellylaser.com/en/healthy-choices-vision/ ). Hope this helps. If you are experiencing severe vision problems like blurred vision, double vision, shades, pain, etc, then it's better to seek the help of your eye doctor.