What are the types of Refractive Errors?

1) Myopia (Short Sightedness): When the eye is too long, the light rays get focused in front of the retina. It means that vision for close-by areas is at ease, but far-sighted objects cannot be seen clearly.

2) Hypermetropia (Far Sightedness): When the eye is too short, the light rays get focused behind the retina. It means that objects close by cannot be viewed at ease, but the far away areas are visible.

3) Astigmatism: It is an irregularity in the shape of the cornea. It occurs when the light rays focus on more than one point. Due to this a blurred image is formed on the retina distorting both distant and near vision.

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