The utility model relates to an eyesight chart, composed of a bottom plate of the eyesight chart, a panel, and a visual sign ring or a visual sign disc embedded between the bottom plate and the panel and can rotate around an axis center. The eyesight chart can be printed with the ...
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Checking for myopia takes several procedures and the first step is often to test distant visual acuity through a visual acuity chart. And the decrement of visual acuity may indicate the development of myopia. Disclaimer: While this app may replace eye charts in print, however it CANNOT replace ...
Supplier Homepage Products Ophthalmic Products Eye Chart Pocket Visual Acuity Eye Vision Test Chart Snellen Eye Chart Related Categories Universal Medical Implement Other Medical Implement Other Analysis Instruments Medical Diagnostic Instruments Medical Diagnostic Set Hospital ...
Visual acuity often is referred to as “Snellen” acuity. The chart and the letters are named for a 19th-century Dutch ophthalmologist Hermann Snellen (1834–1908) who created them as a test of visual acuity.One’s visual acuity is an indication of the clarity or clearness of one’s vision...
NVC-03 Material - Power - Voltage - Color Black Application Optical Equipment Product name Near Visual Acuity Chart MOQ 1 Unit Model NVC-03 Package Cartoon Box Packaging and delivery Selling Units: Single item Single package size: 28X19X6 cm Single gross weight: 0.800 kg Show more ...
OEM brand name . model number NV-37 material plastic power . voltage . Test Distance 25-30cm Weight 500g Power Supply AC100-240V Certification CE, Color Black Packaging and delivery Selling Units: Single item Single package size: 31X19X11 cm Single gross weight: 1.600 kg Show more Lead...
Herman Snellen, MD, (d. 1908) was an ophthalmology professor at Utrecht University in the Netherlands. He was also the director of the Netherlands Hospital for Eye Patients. Dr. Snellen’s research interests included astigmatism, glaucoma, and correction of visual acuity using eyeglasses and ophth...
Product name:Optometry Vision Chart with CE;Color:Black;Certificate:CE ISO;Application:Optical Shop; vision test;Type:Ophthalmic Optical Equipments;Storage:5G;Remote:2.4G RF; Luminous;Display:fit for any size TV or monitor;Connection:VGA(optional);upgrad