Digital Visual Acuity Test

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Facility	Where	Also makes	Recorded by
HRHedgefog Research	San Pedro, CA	Lens, Contact (Orthokeratology) · Lens, Contact (Other Material) - Daily · Topographer, Corneal, Ac-Powered	federal registry
Micro Medical Devices, INC.	Calabasas, CA	Adaptometer (Biophotometer), Software-Based Data Acquisition And Stimulus Generation · Haploscope · Instrument, Measuring, Stereopsis+7 more	federal registry
Diagnosys LLC	Lowell, MA	Adaptometer (Biophotometer), Software-Based Data Acquisition And Stimulus Generation · Electrode, Corneal · Preamplifier, Ac-Powered, Ophthalmic+2 more	federal registry

Federal registry means a federal dataset — an FDA device or drug listing, a TTB permit, a federal award — records this product against the facility or its company. It is not an approval of anything by anyone. Company website means we read it from the company’s own site. Company-provided means the verified owner of a claimed page added it: a claimed page may add products, and every one it adds is marked that way here.