#50. Nearsightedness, myopia. Flashcards

1
Q

What is NEAR-SIGHTEDNESS / MYOPIA?

A
  • Its the DIFFERENCE BTW the
    a. Refractive Power
    b. Axial Length of the eye
  • Such as PARALLEL INCIDENT Light Rays CONVERGE at the FOCAL POINT
  • ANTERIOR to the RETINA
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2
Q

What is the CAUSE of NEAR-SIGHTEDNESS / MYOPIA?

A
  • Unknown
  • Inheritance
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3
Q

What are the SYMPTOMS of NEAR-SIGHTEDNESS / MYOPIA?

A
  • MYOPIA SYNDROME
    a. THIN Sclera
    b. ELONGATION of Globe, causing SHIFT in Axes
    c. DEEP Anterior Chamber
    d. ATROPHY of Ciliary Muscles
    e. VITREOUS Opacification
    f. Retinal DETACHMENT
  • GLAUCOMA
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4
Q

What is the TREATMENT for NEAR-SIGHTEDNESS / MYOPIA?

A
  • REDUCING the EXCESSIVE Refractive Power = Giving DIVERGING / CONCAVE Lens
  • Correction with CONTACT LENSES
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