Effectiveness of an Interactive Consulting System to Enhance Patients' Decision-making

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  • sponsor
    Sun Yat-sen University
Updated on 4 October 2022


To compare the effectiveness of an interactive mobile chatbot and traditional decision aid booklets to enhance informed decisions made by cataract patients.


Cataract surgery is the only way to treat age-related cataract. For patients at early or moderate stages, cataract surgery is an elective surgery without objective indications. Therefore, patients are uaually not aware whether they should receive the surgery or not. In clinical practice, traditional Patient Decision Aids (PDAs) booklets are used to provide health education to patients. However, PDAs lack real-time interaction with patients, and are unable to answer the new questions raised. Patients still have doubts about whether they should receive cataract surgery or not. In this study, the investigators aim to assess the effectiveness of an interactive Q&A mobile application based on natural language processing technology to enhance informed decisions made by cataract patients.

Condition Age-related Cataract
Treatment A chatbot for patient decision aid, A traditional patient decision aid booklet
Clinical Study IdentifierNCT04262596
SponsorSun Yat-sen University
Last Modified on4 October 2022


Yes No Not Sure

Inclusion Criteria

Individuals aged 50-80 years who have been resident in the selected study district for more than six months
A definite diagnosis of age-related cataract
Having not received cataract surgery
Willing to participate the study and provide informed consent

Exclusion Criteria

Ocular disorders other than cataract leading to permanent vision loss that could not be corrected through cataract surgery
Having cataract surgery contraindication
Clear my responses

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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