This device is applicable to ophthalmology department of hospitals and spectacle stores for precision measurement of visual functions such as myopia, hyperopia, astigmatism, eyesight balance, heterophoria, stereoscopic vision and eyesight amalgamation.
Characters of the Product:
1. Unique design of butterfly-shape appearance.
2. Capable of checking up all-sided visual functions, accurate and comfortable in measurement.
3. Exquisite manufacturing technique, with comfortable feel.
4. High grade plated-film used in all optic lenses.
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FEATURES:
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1、Unique butterfly design
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2、All-sided visual functions checking, accurate and comfortable measurement
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3、Exquisite manuifacturing technique, comfortable operation feel
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4、High grade coating of all optical lenses
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5、Many technology and design patents
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MAIN TECHNICAL INDEXES
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1、Sphere power：
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Range：-19.00m-1~+16.75m-1
Step：0.25m-1
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When applied with auxiliary lens +0.12m-1
Step：0.12m-1
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2、Cylinder power：
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Range：0～－6.00m-1
When applied with auxiliary cylinder lens －2.00m-1：
0～－8.00m-1
Step：0.25m-1
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When applied with auxiliary cylinder lens +0.12m-1
Step：0.12m-1
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3、Cylinder axis：
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Range：0～180°
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Step：5°
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4、Cross cylinder：
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±0.25m-1
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5、Rotary prism：
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Range：0～20△
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Step：1△
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6、PD adjustment：
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50～75mm
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Step：1mm
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7、Convergence adjustment：
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∞，380mm（When PD 64mm）
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8、Forehead reat adjustment：
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16mm
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9、Vertex distance：
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13.75mm
From corneal point to standard lens surface）
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10、Dimension：
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335（L）×320（W）×98（H）mm
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11、Weight：
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Approx.5kg
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