【Classic Design】: Boasting a distinctive butterfly - shaped exterior, this manual refractometer stands out with its elegant and unique appearance, making it both a practical tool and a visual delight.
【All - round Precision Measurement】: With a comprehensive measurement range, it covers a sphere range from - 19d to +16.75d, a cylinder range from - 6d to 0 and 0.00 to - 6.00 diopters, and also includes positive cylinder lenses for a more complete and accurate assessment of refractive errors.
【Superb Craftsmanship】: All cross - cylindrical lenses are high - quality Manus lenses, equipped with an anti - reflective coating, ensuring excellent optical performance and reducing glare for more precise readings.
【New Horizontal Adjustment Structure】: The innovative fingertip adjustment mechanism for sphere power control provides smooth and effortless operation, allowing for quick and accurate adjustments during the eye - testing process.
【Widely Used】: Ideal for opticians, hospital ophthalmology departments, educational institutions, and various enterprises, this manual refractometer is a versatile tool for conducting comprehensive eyesight checks, catering to the needs of different users in the field of eye care.