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. Author manuscript; available in PMC: 2014 Dec 18.
Published in final edited form as: Cochrane Database Syst Rev. 2011 Dec 7;(12):CD004916. doi: 10.1002/14651858.CD004916.pub3

Table 2.

Outcomes reported by studies of spectacle interventions*

Outcomes Interventions studied
Undercorrected lenses: 2 studies Bifocal lenses: 6 studies Progressive addition lenses: 5 studies Novel lenses to minimize peripheral hyper-opic defocus: 1 study
Primary outcome: change in refractive error Analysis 1.1 Analysis 2.1; Analysis 2.2; Analysis 2.3 Analysis 2.1; Analysis 2.2; Analysis 2.3 Analysis 3.1
Secondary outcome: change in axial length Analysis 1.2 Analysis 2.4; Analysis 2.5; Analysis 2.6 Analysis 2.4; Analysis 2.5; Analysis 2.6 Analysis 3.2
Secondary outcome: change in corneal radius of curvature Not measured by Adler 2006 and reported as non-significant by Chung 2002 Not reported Analysis 2.7 Not reported
Adverse effects Two participants who were under-corrected complained of blurred vision (Adler 2006) None reported None reported Participants reported blurred side vision, visual distortion, dizziness, headaches and falls (Sankaridurg 2010)
*

Compared with fully-corrected single vision lenses.