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Br J Ophthalmol 81:637-638 doi:10.1136/bjo.81.8.637
  • Original Article
    • Clinical science

Influence of patient age on refraction and corneal haze after photorefractive keratectomy

Table 3

Anterior corneal haze after photorefractive keratectomy (PRK) in each age and baseline refraction group

Baseline refraction group Time after PRK (months) Anterior corneal haze p Value
Age (years)
<30 30–39 ⩾40
1 Low myopes 3 0.78 0.78 0.86 0.70
6 0.56 0.52 0.48 0.59
12 0.26 0.29 0.34 0.49
2 Moderate myopes 3 1.15 0.89 0.94 0.45
6 0.85 0.86 0.78 0.75
12 0.53 0.57 0.54 0.92
3 High myopes 3 1.52 1.26 1.26 0.38
6 1.19 1.05 1.10 0.85
12 0.66 0.78 1.15 0.07

  • ↵p value comparing these haze degrees was 0.0001 according to analysis of variance.

  • ↵p value comparing these haze degrees was 0.0009 according to analysis of variance.

  • ↵p value comparing these haze degrees was 0.00001 according to analysis of variance.

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