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(P = (n-1)/r
where
• P = corneal power,
• n = 1.3375 (compensates for
negative power of posterior
cornea), and
• r = radius of curvature in meters
Keratometer

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Keratometer

  • 1.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 9. where • P = corneal power, • n = 1.3375 (compensates for negative power of posterior cornea), and • r = radius of curvature in meters