Knowledge about benefits and risks of undergoing cataract surgery among cataract patients in Southern China
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ORIGINAL PAPER
Knowledge about benefits and risks of undergoing cataract surgery among cataract patients in Southern China Guofang Ye . Bo Qu . Wen Shi . Xin Chen . Pengjuan Ma . Yuxin Zhong . Shida Chen . Ecosse Lamoureux . Yingfeng Zheng
Received: 20 February 2020 / Accepted: 20 June 2020 Ó Springer Nature B.V. 2020
Abstract Purpose To develop a theoretical framework for assessing knowledge about the possible outcomes of undergoing cataract surgery, and explore the association of knowledge level with psychological status and decision quality among patients with cataract in Southern China. Methods The details of the knowledge scale were based on the health education information booklet provided by National Eye Institute, NIH. We used a theory-based approach to assess gist knowledge, which comprises 12 questions related to knowledge of the possible surgical outcomes. The scale was then used in a cross-sectional study to assess the association of knowledge score with psychological status and decision quality among cataract patients. Results A total of 489 participants with age-related cataract were included in this study, and 10.2% (50/ 489) of them had adequate level of knowledge. The
knowledge scale was significantly associated to the levels of worry (Odds Ratio (OR) = 0.36, 95%CI: 0.18, 0.70; P = 0.003), anxiety (beta coefficient = - 5.36, 95%CI - 8.88, - 1.84; P = 0.003), inaction regret (OR = 0.49, 95%CI: 0.28, 0.88; P = 0.016) and decision conflict (beta coefficient = - 7.93, 95%CI - 12.81, - 3.04; P = 0.002) in multivariate analyses adjusted for age, sex, education level and literacy level. Conclusion Knowledge adequacy with cataract surgery outcomes was negatively associated with cataract worry, anxiety and decisional conflict. Patients with adequate knowledge were more likely to postpone cataract surgery. Keywords Cataract Cataract surgery Knowledge scale Decision quality
Introduction Guofang Ye and Bo Qu have contributed equally to this work. G. Ye B. Qu W. Shi X. Chen P. Ma Y. Zhong S. Chen Y. Zheng (&) State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, People’s Republic of China e-mail: [email protected] E. Lamoureux Population Health and Epidemiology Program, Singapore Eye Research Institute (SERI), Singapore, Singapore
Cataract is the leading cause of visual impairment (VI) and blindness [1]. Surgical removal of the clouded lens remains one of the most commonly used procedures worldwide [2, 3]. Modern cataract surgery (e.g., phacoemulsification) has become a safe and reliable therapeutic procedure. An increasing number of people with mild VI or even good vision are receiving the surgery to improve their vision and quality of life
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[4]. It is therefore essential to assess patients’ knowledge of the benefits and risks of undergoing cataract surgery or of opting to delay it. This understanding may help patients to make informed decisions that better refl
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