Instant auto focus
Automatically enhance contrast and brightness
Optional color mode
User adjustable magnification
Evergaze recently entered into a five-year agreement with Dallas Lighthouse for the Blind to distribute seeBOOST to its affiliated national non-profit organization network
Although the primary market for these glasses comes from the age-related macular degeneration group, it is also very useful for patients with diabetic retinopathy. “seeBOOST can bring tangible and immediate help to people. Although the technology is very complicated, the product is extremely simple to use. The ultimate goal is to benefit humanity – imagine that when grandmother can see and recognize her grandson’s face Scenario,†said Antaki, co-founder and president of Evergaze. “This is the change that the technology has brought to people.â€
Most of Evergaze's customers are between the ages of 70 and 90, and need visual help in many aspects of their daily lives, such as reading letters, paying or playing bridges. Antaki said: "A few months ago, a customer came to our office, tried on seeBOOST glasses and excitedly said to us: 'I have not seen my wife's face for many years.' Optical solutions are not enough, and electrical and optical coordination is required to successfully achieve visual recovery."
Design challengeseeBOOST glasses are equipped with a camera with an adjustable lens, an FPGA for real-time image processing, and a liquid crystal on silicon (LCoS) display. The design consists of 5 boards (including 3 custom optics), 3 different sets of lenses and custom cable assemblies. To control the lens, the Evergaze team needed a small size, low power and high reliability driver. The team also needs components that can support the specific performance parameters of its design. The challenges of system design are undoubtedly huge. The weight of the product must be less than 1 ounce to ensure comfort; the product needs to provide a larger viewing angle to compensate for the loss of vision in the user's center, while not obscuring the remaining peripheral vision; the product needs to be allowed to be natural to others wearing seeBOOST Eye contact; the delay of the product from the real world to the electronic screen must be imperceptible (avoiding the dizziness and headache caused by most head-mounted screens); finally, the product needs to ensure good heat dissipation to ensure that the skin does not feel when touched. To fever.
The large knob on seeBOOST allows the user to control the magnification and switch between normal and reverse mode, making it easier to read text on white newspapers
“Our autofocus capability is the fastest and most accurate in the world,†says Antaki. “For our customers, seeBOOST is their eyes, the real vision they use to interact with the world. Any delays in locating the right focus. Will make the target deviate from people's horizons."
ProgramAfter communicating with the head of Maxim, Antaki and his team believe that Maxim's lens drivers provide the performance they need. At the same time, the team also received support from Maxim Ventures. The Maxim Device Bill of Materials (BOM) used is as follows:
The ambient light sensor of the MAX44009 with an ADC
MAX8834Y Adaptive Boost Converter
MAX77818 Switch Mode Charger with Fuel Gauge
Overvoltage protection IC
MAX44265 Operational Amplifier
MAX11607 Quad ADC
Boost converter
MAX15053 Step-Down Converter
MAX8880 LDO Regulator
BenefitFor Evergaze, one of the advantages of Maxim IC is that almost all of the required devices are in a microchip-scale package. The design team is also very satisfied with the performance of the device. For example, the lens driver is very reliable and the team is confident that the drive will work long-term in a frequently used design (estimated over 60 million autofocuses over the life of the product). Antaki added, "The MAX77818 switch-mode charger is an excellent precision device that allows us to combine a variety of different battery charging inputs and power monitoring."
The team is also very satisfied with the support of Maxim application engineers, whether it is to provide evaluation boards or to quickly answer technical questions. "With Maxim's help for us, we can achieve such remarkable success," said Antaki.
Evergaze will continue to improve seeBOOST and push it to a vast market where services are scarce. According to the BrightFocus Foundation, approximately 11 million people in the United States have different forms of age-related macular degeneration. Antaki pointed out that the market size of seeBOOST will eventually reach millions and has the potential to expand globally. He said: "If you find out the products developed in the field over the past few decades, you will find that no product can bring such a big change in people's quality of life."
“seeBOOST can bring tangible and immediate help to people. Although the technology is very complicated, the product is extremely simple to use. The ultimate goal is to benefit humanity – imagine the grandmother can see and recognize her grandson's face. This is the change that the technology has brought to people."
“The MAX77818 Switch-Mode Charger is an excellent precision device that allows us to combine a variety of different battery charging inputs and power monitoring.â€
-- Patrick Antaki, co-founder and president of Evergaze
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