The invention discloses a near vision chart with a fixed distance positioning rod. The near vision chart comprises a sighting target base plate, a positioning rod and a frontal plate, wherein an insertion tenon is arranged on a base part of the positioning rod; an insertion hole is formed ...
The near vision chart with the fixed-distance locating rod is very suitable for households, the vision of children (students) can be detected at any time, so as to find near sightedness timely, and treat or correct the near sightedness timely.张广勤...
The TigerChart is everything it should be; lightweight, easy to recharge, colorful, useful, and FUN!What can the TigerChart do for you? The Tiger Chart is an exclusive device for checking near vision. Since it is a one-of-a-kind device, you can differentiate yourself from your competito...
Colenbrander Continuous Text Near Vision Card Continuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper. This is important because it is the main part of everyday vision. Also, by testing with continuous text, doctors can estab...
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Shanghai, China Brand Name TOPVIEW Model Number NV-100 Product name Near Vision Tester Working distance 36cm Remote distance 60cm Weight 780g Dimension 220(H) *210(W)*42(D)mm Power Supply: LR6 AA battery 1.5V*3 Certificate: CE Color ...
The bar chart reveals that the simulations obtained by OpenLB are significantly faster than the OpenFOAM simulations. The resulting performance factor can be determined by dividing 𝑡𝑐𝑜𝑟𝑒,𝑠𝑜𝑙𝑣𝑒𝑟tcore,solver for the corresponding grid resolutions. If each grid configuration...
3.3. Quality of Vision A summary of the results for quality of vision in terms of spectacle independence at far, intermediate and near, halos and glare is shown in Table 4. All parameters under evaluation showed statistically significant differences amongst the groups of lenses. Regarding spectacle...
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Eye vision concept and eyesight health or ocular focus using an open eye with an emerging chart to help near sighted and far sighted retina and lens diagnosis from an optometrist for ophthalmology. ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容