Visual Acuity Chart

Features: * acuity is usually measured with a Snellen chart. Snellen charts display letters of progressively smaller size known as optotypes. The Snellen chart makes it possible to assess your visual acuity from the comfort of your home, allowing eye doctors to prescribe corrective lenses and restore sharp vision. Why choose our products? 1. Snellen wall eye chart is the familiar chart with the big letter or symbol at the top and progressively smaller letters at the bottom of the chart down to 20/20 or better. 2. The eye chart assists in measuring visual acuity at a distance

Features:With Red/Green Antisuppression CheckA handy instrument for working with children. Two different Red/Green suppression tests added to other colorful fixation targets of interest to children. Good test for pursuits, near point of convergence, & accommodation.Red/Green glasses not included.3 different types for options:Type 1 as picture, size 5(W)x18(L)cmType 2 as picture, size 1.8(W)x14.8(L)cmType 3 as picture, size 1.8(W)x14.8(L)cmYou can choose the type that you want when placing the order with us.Kindly note: The price is for 1pc.1pc of Type31pc of Type11pc of Type2Payment &

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Features:About this itemThe Snellen eye chart assists in measuring visual acuity at a distance of 6 feet away from viewer. The Rosenbaum eye chart only needs 36cm to measure, Perfect for those situations where there is limited space to measure vision.Size 6.5*3.5 in, Snellen pocket eye chart and Rosenbaum pocket eye chart. Pocket eye test exam chart is convenient due to the small design.Plastic pocket eye chart with pupil gauge. Snellen chart includes Red and Green color bars for an easy and helpful color vision test.Fits conveniently in pocket. Made of Plastic and washable. Non-reflective

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Features:The NV-100 near vision tester enables a complete refractive and binocular vision investigation to be carried out with the head and eyes in their normal posture at any working distance.The refractive tests include:1. Measurement of visual acuity using Snallen letter and illiterate E-chart,and Times Roman reading types.2. Accurate determination of presbyopic additions and other near corrections.3. Near vision astigmatism tests.4. Amplitude of accommodation including monocular measurements under binocular conditions.The Binocular balance tests include:1. Fixation disparity test for

Features:◉ 17 inch LED backlit screen◉ New CNT test, which is more scientific, effective, and directive. CNT curve will be formed and displayed on the screen when the test is finished.◉ Better user experience--- All tests icons are listed on home interface.◉ Quick test list--- Pick ten or less frequently used tests to establish your own quick test list.◉ V style optotype arrangement--- Avoid optotpyes congested on the screen.◉ Excellent programming give full play to the features of CPU.C901 advanced parameter setting experienceThe built-in software of C901 is developed on Linux platform. All

Features:■ Diversification test1. Astigmatic fan dial2. Cross cylinder3. Cross grid4. RG panal■ LED source inside■ Uniform illumination■ No flicker, eye protection■ Handheld, easier to use■ Rechargeable lithium battery■ More convenient to useProduct brief introduction:■ New multi-function near logarithmic vision acuity chart, and alphabet chart■ Two sides for testing, one side test at 25 cm, the other side test at 30 cm■ Fashion modeling,ultrathin design.■ LED light source,energy conservation,power saving and long life.■ Tow kind of LED brightness option.Instructions for using:■ 25CM or 30CM

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DescriptionMaterial and Durability: This vision chart is constructed from thick and robust PVC material, ensuring its toughness and waterproof properties. The matte finish effectively eliminates glare and reflections, creating an optimal testing environment for precise results.Accurate Size and Design: Each optotype on the Snellen chart is meticulously designed according to the one-minute visual angle principle, guaranteeing precise measurements for accurate vision assessments. The incorporation of red and green color bars facilitates the evaluation of red-green color

Product DescriptionFeatures:Material: PMMA, Which is Light transmittance of 92%, high surface hardness, super wear-resistant, anti scrath ability.

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