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Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
A reference value above which visual acuity is considered normal is called 6/6 vision, the USC equivalent of which is 20/20 vision: At 6 metres or 20 feet, a human eye with that performance is able to separate contours that are approximately 1.75 mm apart. [9] Vision of 6/12 corresponds to lower performance, while vision of 6/3 to better ...
After four pomodori are done, take a long break (typically 20 to 30 minutes) instead of a short break. Once the long break is finished, return to step 2. For the purposes of the technique, a pomodoro is an interval of work time. [1] A goal of the technique is to reduce the effect of internal and external interruptions on focus and flow.
According to 2013 data collected by the company Quantified AI, the ideal amount of eye contact time should be 60% to 70% of a conversation, but the average person only makes eye contact about 30% ...
Flirting can be hard. But with these 17 tips from relationship experts, you'll be able to let someone know you're interested with confidence and ease.
rule used to assess optic disc appearance K: ... Normal wearing time o symptoms ... Visual acuity with eye chart at Distant 20 feet (6 m) and with (cc: Latin cum ...
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Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) 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 as a measurement tool for the acuity formula developed by his professor ...