Noda helped a precision instrument manufacturer complete usability testing and evaluation of their instruments, achieving usability testing of ophthalmic testing equipment.
background
We assist a precision instrument manufacturer in completing the production of instrumentsUsability testing of ophthalmic testing equipmentThis device is capable of capturing images and videos to evaluate dry eye grades and corneal imaging characteristics. This device needs to be accurateAccurately identifying and measuring the condition of the eyes, but improper operation may lead to misdiagnosis, misjudgment, or incorrect operation, affecting the patient's health status. This device can be used in ophthalmic medical institutions, ophthalmic clinics, physical examination centers, optometry centers, optometry shops, etc. Its potential users mainly include two categories: one is ophthalmic medical professionals, including ophthalmologists and ophthalmic medical technicians; Another type is the optometrist responsible for taking pictures.

The International Electrotechnical Commission(IEC)Based on the guidance provided, we helped the factory tailor a usability engineering evaluation plan for the product. By implementing this plan, manufacturers hope to meet the expectations of domestic and European medical device regulatory agencies related to human factors. The plan includes the following parts:
Project scale:Confirm the focus and research objectives of the evaluation plan.
Research activities:Through user research, understand user profiles, usage errors, and usage environments.
Analyze activitiesAnalyze known issues that may harm users, key tasks that may cause harm to users, usage risks, and related usage scenarios.
Standardized activities:Establish usage standards and user interface specifications.
Design activity:Applying human factors engineering principles in the design of corneal topography instruments, introducing risk mitigation measures, and developing training materials.
Assessment activity:Plan and implement formative usability testing and summative usability testing

Testing process for usability of ophthalmic testing equipment
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