New Delhi, May 18 -- Do you have difficulty reading street signs unless you are very close to them? Or do you find the screen at the cinema blurry, especially if you are sitting far away from the screen? If yes, it could be because you have myopia. Nearsightedness or myopia is a condition that makes objects that are far away look blurry. It occurs when the eyeball is too long or the cornea is too curved, causing light to focus in front of the retina. Those who have this condition may suffer from symptoms such as eyestrain, headaches, and may have to squint to see distant objects. While it can be corrected with glasses, contact lenses, or refractive surgery, it can lead to vision loss if left untreated. Know all about this condition, its s...