Journal of Cataract & Refractive Surgery
Volume 35, Issue 9 , Pages 1509-1517, September 2009

Using Rasch analysis to revisit the validity of the Cataract TyPE Spec instrument for measuring cataract surgery outcomes

From the NH&MRC Centre for Clinical Eye Research (Gothwal, Wright, Pesudovs), Department of Ophthalmology, Flinders Medical Centre and Flinders University of South Australia, Bedford Park, South Australia, the Centre for Eye Research Australia (Lamoureux), Department of Ophthalmology, University of Melbourne, Victoria, and Vision CRC (Lamoureux), Sydney, Australia; Meera and LB Deshpande Centre for Sight Enhancement (Gothwal), Vision Rehabilitation Centres, L.V. Prasad Eye Institute, Hyderabad, India; Singapore Eye Research Institute (Lamoureux), Singapore National Eye Centre, Singapore

Received 27 January 2009; accepted 30 March 2009.

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 No author has a financial or proprietary interest in any material or method mentioned.

 Supported in part by National Health and Medical Research Council, Centre of Clinical Research Excellence Grant 264620, Canberra, Australia.

PII: S0886-3350(09)00576-8

doi:10.1016/j.jcrs.2009.03.056

Journal of Cataract & Refractive Surgery
Volume 35, Issue 9 , Pages 1509-1517, September 2009

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