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國際標準視力表 對數視力表 屈光度 E字的淨大小mm

0.100020188 4.0 999.7981653 72.7074256

0.125915414 4.1 794.1839426 57.75472682

0.158514915 4.2 630.8554631 45.87713625

0.199554426 4.3 501.1164216 36.44224025

0.251219067 4.4 398.0589575 28.94768468

0.316259684 4.5 316.1958515 22.99442742

0.398139316 4.6 251.1683625 18.26549164

0.501217585 4.7 199.5141492 14.5090886

0.630982817 4.8 158.482921 11.52521138

0.794344269 4.9 125.89 9.154985603

1 5.0 100 7.272210345

1.2589 5.1 79.43442688 5.776638609

1.58482921 5.2 63.09828174 4.588639772

1.995141492 5.3 50.12175847 3.644959704

2.511683625 5.4 39.81393158 2.895352851

3.161958515 5.5 31.62596837 2.299906944

3.980589575 5.6 25.12190672 1.826917899

5.011164216 5.7 19.95544263 1.451201763

6.308554631 5.8 15.85149148 1.152753803