Zeiss Humphrey Acuitus 5015 Autorefractor Keratometer Tested Calibrated Cornea "ani gmail com" Questions

...gmail.com thank you Hello, Have you tried putting something under the microscope and then trying to focus on it?Maybe the lens is out of focus. See if there's nothing obstructing the ...

gmail.com These equipments use a sbc492 by Aaeon motherboard, and usually they shows a message like "Cmos battery Low".These motherboards use an RTC M48T86PCI with a internal lithyum battery, and just