Designed to be used by a minimally trained technician, 3nethra is a digital non-mydriatic fundus camera to capture high-resolution images of the retina which is then transmitted to clinicians for triaging, evaluation and diagnosis.
Product Design
Healthcare
Design and innovation from an early stage until the device was market ready
Ease of use for minimally trained technicians, single scan with quick workflow to minimize the wait time for patient, easy three step set-up protocol for the technician improving quality and accuracy of image capture, emerging area of task shifting and screening, design of multiple product variants, design for staged manufacturing, support for regulatory approvals.
Preventable blindness affects millions of people around the world. With expert ophthalmologists providing most of the services of testing, diagnosis and treatment, there is a huge constraint on their time. This situation if further compounded by the fact that the ratio of ophthalmologists to patients is very low in most developing countries, thereby making access to visual healthcare very limited.
With the goal of enabling task shifting of testing and triaging to semi trained technicians, Forus Health innovated a non mydriatic single scan fundus camera that makes capturing images of the retina very easy, and through proprietary algorithms able to triage the conditions for further action through teleophthalmology.
The design challenge was to cast the technology into a portable, easy to set up and use screening device such that minimally trained technicians could screen large populations in eye camps.
The solution was a combination of workflow optimisation and ergonomic design to enable quick capturing of retinal images for mass scale screening. For the technician, it was a simple three step process - align the patient‘s chin to the chin-rest and adjust height with just one movement, start process, such that auto focus and auto intensity control switch on to give previews, capture image, save and upload.
For the patient, it was a short interaction, with minimal discomfort. This simplified aim and shoot design was field tested in a couple of eye camps for feedback and iteration. Multiple prototypes of the design were made using batch production methodologies, deployed in the field for a duration of 6 months and feedback obtained for the production version of the device. Regulatory approvals for the device was facilitated as well.
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