| 摘要 |
A device for performing in eye test includes a display for animated visual acuity letters and scalable dynamic letters, a computer to control the display and to link to a patient database, and the display having at least a contrast sensitivity of 400:1 or greater, a true rez visual acuity letter of 1°, a screen resolution of 1024 x 768 or greater under an ambient light (greater)>4500K.
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