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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Cornea. 2013 Mar;32(3):267–272. doi: 10.1097/ICO.0b013e31825697c4

Table 2.

Average change by scale.

Scale Mean Change in
Scale		 sd Maximum decrease in
scale		 Maximum
improvement in scale
Distance Activity 1.07 11.43 −41.70 72.63
Driving 0.41 10.94 −75.00 56.25
Mental Health 3.78 14.66 −65.17 71.40
Near Activity −0.27 11.97 −41.66 58.35
Ocular Pain 0.59 13.82 −43.75 56.25
Role Difficulty −2.12 17.05 −71.43 91.07