My eyes hurt as i blinkk3/6/2023 The main types of refractive errors are myopia (short-sightedness), hyperopia or hypermetropia (long-sightedness), astigmatism and presbyopia (inability to focus on near objects). These occur when the image of what you are looking at does not focus precisely on the back of the eye (retina) and appears blurry. Problems with focusing (refractive errors) are the most common eye disorders. It is worth having your eyes examined to find out whether you need eye drops to lubricate your eyes or other treatment to correct an underlying condition.
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