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Myopia

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Myopia

  1. 1. Myopia • Myopia is short sightedness. •When the parallel rays coming from infinite to focus in front of the retina.
  2. 2. Etiological classification 1. Axial myopia 2. Curvatural myopia 3. Positional myopia 4. Index myopia 5. myopia due to excessive accommodation
  3. 3. Clinical varities 1. Congenital myopia 2. Simple or development myopia 3. Pathological o degenerative myopia 4. Acquired myopia
  4. 4. Symtoms 1. Poor vision for distance 2. Asthenopic symptoms 3. Half shutting of eyes
  5. 5. Signs 1. Prominent eyeballs 2. Anterior chamber deeper than normal 3. Pupils larges 4. Funds normal

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