Difference between revisions of Guide:Reducing lens complexity
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(→How to reduce lens complexity: Added a reduction type column to the example table.) |
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|+ Example Spherical Reduction Schedule | |+ Example Spherical Reduction Schedule | ||
|- | |- | ||
! style="text-align:left;" | Reduction Type | |||
! colspan="2" | Normalized | ! colspan="2" | Normalized | ||
! colspan="2" | Differentials | ! colspan="2" | Differentials | ||
! style="text-align:left;" | Explanation | ! style="text-align:left;" | Explanation | ||
|- | |- | ||
| style="text-align:left;" | | |||
| Left | | Left | ||
| Right | | Right | ||
| Line 42: | Line 44: | ||
| style="text-align:left;" | | | style="text-align:left;" | | ||
|- | |- | ||
| rowspan="2" style="text-align:left;" | | |||
| -3.50 | | -3.50 | ||
| -4.00 | | -4.00 | ||
| Line 51: | Line 54: | ||
| | | | ||
|- | |- | ||
| rowspan="4" | Simple | |||
| -3.25 | | -3.25 | ||
| -3.75 | | -3.75 | ||
| | | | ||
| | | | ||
| style="text-align:left;" | | | style="text-align:left;" | perform normalized reduction | ||
|- style="text-align:left;" | |- style="text-align:left;" | ||
| colspan="4" style="text-align:center;" | wait 4 - 8 weeks | | colspan="4" style="text-align:center;" | wait 4 - 8 weeks | ||
| rule 4 | | (rule 4) | ||
|- | |- | ||
| | | | ||
| Line 64: | Line 68: | ||
| -2.00 | | -2.00 | ||
| -2.50 | | -2.50 | ||
| style="text-align:left;" | | | style="text-align:left;" | perform differential reduction | ||
|- style="text-align:left;" | |- style="text-align:left;" | ||
| colspan="4" style="text-align:center;" | wait 4 - 8 weeks | | colspan="4" style="text-align:center;" | wait 4 - 8 weeks | ||
| | | | ||
|- style="font-weight:bold;" | |- style="font-weight:bold;" | ||
| rowspan="2" | Equalizing | |||
| -3.25 | | -3.25 | ||
| -3.50 | | -3.50 | ||
| -2.00 | | -2.00 | ||
| -2.25 | | -2.25 | ||
| style="text-align:left;" | | | style="text-align:left;" | both norms and diffs are reduced simultaneously (rule 3) | ||
|- style="text-align:left;" | |- style="text-align:left;" | ||
| colspan="4" style="text-align:center;" | wait 8 - 16 weeks | | colspan="4" style="text-align:center; font-weight:bold;" | wait 8 - 16 weeks | ||
| | | | ||
|- | |- | ||
| rowspan="4" | Simple | |||
| -3.00 | | -3.00 | ||
| -3.25 | | -3.25 | ||
| | | | ||
| | | | ||
| style="text-align:left;" | | | style="text-align:left;" | perform normalized reduction | ||
|- style="text-align:left;" | |- style="text-align:left;" | ||
| colspan="4" style="text-align:center;" | wait 4 - 8 weeks | | colspan="4" style="text-align:center;" | wait 4 - 8 weeks | ||
| rule 4 | | (rule 4) | ||
|- | |- | ||
| | | | ||
| Line 91: | Line 97: | ||
| -1.75 | | -1.75 | ||
| -2.00 | | -2.00 | ||
| style="text-align:left;" | | | style="text-align:left;" | perform differential reduction | ||
|- style="text-align:left;" | |- style="text-align:left;" | ||
| colspan="4" style="text-align:center;" | wait 4 - 8 weeks | | colspan="4" style="text-align:center;" | wait 4 - 8 weeks | ||
| | | | ||
|- style="font-weight:bold;" | |- style="font-weight:bold;" | ||
| rowspan="2" | Equalizing | |||
| -3.00 | | -3.00 | ||
| -3.00 | | -3.00 | ||
| -1.75 | | -1.75 | ||
| -1.75 | | -1.75 | ||
| style="text-align:left;" | | | style="text-align:left;" | both norms and diffs are reduced simultaneously (rule 3) | ||
|- style="text-align:left;" | |- style="text-align:left;" | ||
| colspan="4" style="text-align:center;" | wait 8 - 16 weeks | | colspan="4" style="text-align:center; font-weight:bold;" | wait 8 - 16 weeks | ||
| | | | ||
|} | |} | ||