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Br J Ophthalmol 89:1017-1020 doi:10.1136/bjo.2005.065961
  • Clinical science
    • Extended reports

Duration of self assessed benefit of cataract extraction: a long term study

Table 5

 Mean and median DS before surgery, 6 months after surgery, and at follow up for subjects with and without an ocular co-morbidity

Before surgery After 6 months At follow up
No ocular co-morbidity (n = 275) Mean 12.25 7.73 7.68
Median 12.00 7.00 7.00
Ocular co-morbidity (n = 170) Mean 14.36 10.59 11.39
Median 14.00 9.00 9.00

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