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Common eye problems

Short sight (myopia) and long sight (hypermetropia) are common conditions, both caused by the cornea and lens not focusing properly on the retina.

  • Short sight is where the eyeball is elongated or the lens is too thick, causing the image to focus in front of the retina
  • Long sight is where the eyeball is too short or the lens too thin, causing the image to focus behind the retina.

Both long and short sightedness can be overcome by wearing glasses.

There are other sight-threatening conditions which are not so easily corrected or overcome. Cataract, trachoma, glaucoma and river blindness , for example, will cause complete blindness if left untreated. Sightsavers is preventing and curing these diseases and restoring sight where possible.

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