It uses psychometric methods combined with antialiasing and dithering to provide automated, selfpaced measurement of visual acuity bach 1996, contrast sensitivity and vernier acuity. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. Users can purchase an ebook on diskette or cd, but the most popular method of getting an ebook is to purchase a downloadable file of. Logger pro demo a 30day software demo for realtime graphing and analysis. Graphical baseball is the best app to quickly visualize the ups and downs of your favorite major league baseball team as they perform throughout. Norciadevelopment of vep vernier acuity and grating acuity in human. Fract is a widely used visual test battery in form of a free computer program. Besides acuity, fract3 also can assess the contrast threshold and vernier resolution. This file is licensed under the creative commons attributionshare alike 3. The full version of peek solutions with support, data analysis, sms reminder functionality and other features is currently only available to peek partners. Manual of the freiburg vision test fract, version 3. Peek acuity allows anyone to measure visual acuity, which is one of the components of vision. Peek acuity is a standalone app, which only provides a measure of visual acuity and a visual representation of the result. Minimum separable minimum visible agudeza visual vernier agudeza visual angular.
You may do so in any reasonable manner, but not in. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer that is used solely as a reading device such as nuvomedias rocket ebook. Important for acuity two things need to be calibrated. Logger lite basic datacollection software for realtime graphing and analysis.
Assess visual acuity, contrast sensitivity, vernier resolution. If you need english to spanish or spanish to english translation software, dictionaries. Development of visual acuity and contrast sensitivity in. A copy of the license is included in the section entitled gnu free documentation license. It is designed by eye care professionals to be used to help identify people who need further examination by, for example, an optometrist or ophthalmologist.