Using adaptive liquid crystal lens technology for vision testing, thereby disrupting the market with a compact, portable and extremely easy to use digital instrument, operated through a mobile device.
Product Design
Healthcare
Design and innovation from an early stage to the functional prototype.
Flexible dimensions for different head sizes with high comfort for customer, intuitive adjustment of measurement parameters for ophthalmic technicians, futuristic aesthetics to quicken adoption of a first-in-market concept, product configuration for weight and positional distribution over the head, rigorous anthropometric validation, matching advance liquid lens technology to workflow of an ophthalmic technician, material selection for high comfort.
Liquid-crystal “electronic” lenses is a new technology that is replacing or simplifying bulky conventional optics. They have huge advantages which include tunable power, small size, low cost, low power consumption, and high-speed switching and are expected to have a tremendous impact upon future optical system designs.
Forus Health Ltd, a company pioneering highly advanced devices for the effective management of visual health, aspired to change the current vision testing landscape by introducing a portable, liquid crystal lens based vision testing system, in place of the bulky and expensive phoropters and the manual and tedious trial frame methods of vision testing.
Considering that such a product does not exist in the market yet, the first challenge was to envision the technology as an eye testing equipment and give it a form. The resulting form had to then be made highly modular and adjustable so as to meet varying requirements of inter pupillary distance, contours of the forehead, age related variations in overall size of head etc. Additionally, for the technician, set up time and training time of the device had to be minimised for easy acceptance and adoption.
Phase 1 of our response was focused on the product configuration to get the functional and ergonomic criteria right. Through multiple configuration mock ups, simulating the exact components with close to exact sizes, weights, interconnections etc., multiple user trials were done to identify the most promising configuration for further development. For the liquid crystal lenses to function accurately, it must be held absolutely parallel to the pupil. This single requirement led to the shortlisting of dual support configuration for further development.
Phase 2 of our response was focused on moving the configuration to a product, with easy controls for alignment, optimisation of weight for comfort, wide adjustable headband to fit 90% of head dimensions etc. The aesthetics was futuristic, in line with the technology, yet non intimidating and intuitive for technicians to set up easily and offer a smooth patient experience.
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