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[Trial of eye drops recognizer for visually disabled persons]
Norio Okamoto1, Katsuhiko Suzuki, Osamu Mimura
1Department of Ophthalmology, Hyogo College of Medicine, Nishinomiya, Japan. norio-o@hyo-med.ac.jp
Nippon Ganka Gakkai Zasshi
|February 21, 2009
Summary
A new device uses voice output and bar-code reading to help visually disabled individuals distinguish between different eye drops and their correct dosages. This innovation enhances medication safety and independence for those with visual impairments.
Area of Science:
- Biomedical Engineering
- Assistive Technology
Background:
- Visually impaired individuals face challenges in accurately identifying and administering eye drop medications.
- Incorrect dosage or administration of eye drops can lead to adverse health outcomes.
Purpose of the Study:
- To develop an innovative device to assist visually disabled individuals in differentiating eye drops and their prescribed doses.
- To enhance medication adherence and safety for the visually impaired population.
Main Methods:
- A novel instrument was created, integrating a voice generator with a two-dimensional bar-code reader (LS9208).
- Voice outputs were programmed to guide users on the timing and location (right, left, or both eyes) for eye drop administration.
- The minimum discernible bar-code size was established, and bar-codes were affixed to eye drop containers for readability comparison between lateral and bottom surfaces.
Main Results:
- The smallest bar-code size successfully recognized measured 6 mm in height and 8.5 mm in length.
- Bar-codes positioned on the bottom surface of the eye drop containers demonstrated superior readability compared to those on the side.
Conclusions:
- The newly developed bar-code-based device effectively enables visually disabled individuals to accurately differentiate between various eye drops and their specific dosages.
- This technology offers a practical solution for improving medication management and independence among visually impaired patients.
