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4. Earnings Per Share<br />
Basic earnings per share is computed based on the weighted average<br />
number of Common and Class B shares outstanding during a<br />
period. Diluted earnings per share reflect the assumed conversion<br />
of dilutive stock options. In computing the per share effect of<br />
assumed conversion, funds which would have been received from<br />
See the future 28 <strong>Bausch</strong> & <strong>Lomb</strong><br />
the exercise of options were considered to have been used to<br />
repurchase common shares at average market prices for the period,<br />
and the resulting net additional common shares are included in<br />
the calculation of average common shares outstanding.<br />
The table below summarizes the amounts used to calculate<br />
basic and diluted earnings per share:<br />
<strong>1999</strong> 1998 1997<br />
Income from continuing operations $102.7 $ 55.6 $ 62.0<br />
Income (loss) from discontinued operations, net 34.0 (63.4) (12.6)<br />
Gain on disposals of discontinued operations, net 308.1 33.0 .–<br />
Net Income $444.8 $ 25.2 $ 49.4<br />
Basic Net Income Per Common Share:<br />
Continuing operations $ 1.79 $ 1.00 $ 1.12<br />
Discontinued operations 0.59 (1.14) (0.23)<br />
Gain on disposal of discontinued operations 5.38 0.59 .–<br />
Net income per common share $ 7.76 $ 0.45 $ 0.89<br />
Diluted Net Income Per Common Share:<br />
Continuing operations $ 1.75 $ 0.99 $ 1.12<br />
Discontinued operations 0.58 (1.13) (0.23)<br />
Gain on disposal of discontinued operations 5.26 0.59 .–<br />
Net income per common share $ 7.59 $ 0.45 $ 0.89<br />
Basic average common shares outstanding (000s) 57,287 55,824 55,383<br />
Dilutive effect of stock options (000s) 1,352 543 271<br />
Diluted average common shares outstanding (000s) 58,639 56,367 55,654<br />
Antidilutive outstanding stock options were excluded from the calculation of average shares outstanding. Options excluded, in thousands,<br />
totaled 1,149 in <strong>1999</strong>, 1,709 in 1998 and 3,431 in 1997. Actual outstanding Common and Class B shares at the beginning of the period<br />
were 56,529 in <strong>1999</strong>, 55,209 in 1998 and 55,404 in 1997.