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Br J Ophthalmol 81:774-777 doi:10.1136/bjo.81.9.774
  • Original Article
    • Clinical science

Triple procedure; analysis of outcome, refraction, and intraocular lens power calculation

Table 4

Data of the modified group after 1 year ( SD) in dioptres

Lens power used 18.86 (3.71)
Predicted spherical equivalent +1.68 (1.58)
Calculated spherical equivalent(K=7.49) +0.57 (2.06)
Resultant spherical equivalent −0.98 (2.71)
Range of errors −6.00 to +4.50
Within +/− 2 D of emmetropia (%) 39/51 (76.5)

  • ↵Spherical equivalent calculated according to the computer outcome.

  • ↵Spherical equivalent calculated using the mean keratometry value of 7.40 mm.

  • ↵Spherical equivalent calculated according to the refraction after 1 year.

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