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Br J Ophthalmol 82:415-418 doi:10.1136/bjo.82.4.415
  • Original Article
    • Clinical science

A new computer program for mass screening of visual defects in preschool children

Table 4

Percentage of disagreement between the two methods, in visual acuity testing, according to number of lines of difference

No of lines difference No of cases % From 290 children % Underestimation out of 290 children % Overestimation of 290 children
2 and 3 lines (total) 25 8.6 1.7 (5) 6.9 (20)
2 lines 20 6.9 1.4 (4) 5.5 (16)
3 lines 5 1.7 0.3 (1) 1.4 (4)

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