Looking for computer eye chart software.寻找电脑眼图软件。 We have it and it is affordable and simple.我们拥有它，它是负担得起的和简单的。 contact us for a demo or to order or to see screen shots.联系我们演示或命令，或看屏幕截图。

Visual acuity is represented as a fraction, ie 20/20.视力被表示为一个分数，即20/20。 The distance you are able to legibly read the chart from makes up the top part of fraction.远方的你能清晰地阅读图表，从组成部分的上半部分。 The normal legible viewing distance makes up the bottom of fraction.正常清晰的观看距离底部的部分。 For example, from 20 feet, if you can read the letters on the row marked 40ft, then your vision is blurred at a distance compared to normal sighted persons.例如，从20英尺，如果你能读信行标40英尺，那么你的视力模糊的距离比正常有远见的人。 You can be near sighted or far sighted or have astigmatism or be visually impaired from a corneal, lens retina or optic nerve problem.你可以戴近视眼镜或高瞻远瞩，或有散光或视障人士从角膜，晶状体视网膜或视神经的问题。 A visual acuity of 20|40 is 1/2 normal. 20 | 40的视力是正常的1/2。

A Snellen chart is a great way but outdated way to test visual acuity.一个Snellen视力表是一个很好的方式，但过时的方法来测试视力。 The chart can be on a poster, projected or on a computer monitor .图表可以是海报上，预测或一个电脑显示器上。 Our new system is an Eye Chart on your computer.我们的新系统是在您的计算机上的眼图。

Testing Visual Acuity using an Eye chart on your PC: 在您的PC上使用眼图测试视力：

computerized eye chart CVAT计算机化眼图CVAT的
eye chart distance视力表的距离

There are a number of computerized solutions to testing visual acuity.计算机化的解决方案有很多测试视力。 They all have benefits and drawbacks.他们都有优点和缺点。 The benefits are universal.带来的好处是普遍的。

1. No more burned out bulbs烧坏灯泡
2. No fingerprints on front surface mirrors没有指纹的前表面反射镜
3. No more memorizing of letters没有更多的记忆的字母
4. Rapidly switch between screens快速画面之间进行切换
5. Allows other programs, cartoons for education允许其他节目，卡通的教育
6. Recycles old computers回收旧电脑
7. Hi Tech appearance高科技的外观

Visit cvat.finderhotline.com for screen shots访问cvat.finderhotline.com屏幕截图

only $595 for 3 licenses仅595元3个许可证

795 plus shipping with a refurbished computer 795经过翻新的电脑，加上运输