Images of the smallest cone photoreceptors in the retina, with colour added to represent the different wavelengths of light used to capture the images after compensating chromatic aberration.
WASHINGTON -- Researchers report a new imaging system that cancels the chromatic optical aberrations present in a specific person's eye, allowing for a more accurate assessment of vision and eye ...
Able to make readings in the 10-pA range with less than 1% uncertainty, the S471 handheld optometer displays readings digitally and with an analog bar. It can also output data digitally via an RS-232 ...
Designed and configured for all LED measurement requirements, UDT Instruments’ optometer features microprocessor control and three measurement data-presentation options: direct display measurement ...
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Used in conjunction with a standard optometer or light analyzer, the GB modular goniometric bench from Gigahertz-Optik performs angular-dependent light measurements of LEDs under remote control from a ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
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