The HD-220 is equipped with a safety-stop mechanism called "emergency brake lever" which guarantees patients safety when operating the elevation of tabletop or chair.
The smooth streamlined design makes it compact and convenient, and it can be used well in optical shops with a small area in shopping malls.
The top of the arm is equipped with an LED light source with sufficient light; the drawer can hold a complete set of trial lens set for the optometrist to operate and use conveniently.
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