Day: April 2, 2020
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Video conferencing
Links 5 Video conference solutions (calcalist) Backgrounds for Zoom (geektime)
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Vision Test
Snellen chart A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen, who developed the chart in 1862.[1] Many ophthalmologists and vision scientists now use an improved chart known as the LogMAR chart (wikipedia). Tools Download Snellen Test PDF file Retinoscopy…