U.S. federal trademark · Serial No. 79383536 · Reg. No. 7518545
Perimeters and microperimeters for use in macular conditions, including macular degeneration, and for detecting and controlling these conditions; diagnostic devices, namely, visual field testing devices in the nature of perimeters and microperimeters, vision testers, and refraction units for measuring retinal threshold, fixation points and fixation stability, as well as confocal imaging
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