![]() ![]() Everyone can see their time on their own phone. Use Our big time display board for public events, a phone for practices, or a Windows PC to put the results on your own spreadsheet or tracking software. Perfect for those who practice alone or in groups and don’t have extra people to run a timer. Time is displayed on any phone or tablet within 200 feet or on the big time display board. You’ll be timing your events in seconds. Download the free app from the App Store or the Google Play Store. Quick and easy set up Position the timers, easily align them using our app and you’re ready to go! No wires to mess with. Available from one to six gates to fit your needs. Any iOS device (iPhone or iPad) or Android phone or tablet with Bluetooth Smart will work. Time is displayed on your smartphone or tablet. It’s ideal for timing your training sessions and events such as Track and Field sprints and drills, Agility Combines, Baseball Showcases, or any timed athletic sport such as equestrian or motorsports. Digital eye strain: prevalence, measurement and amelioration.The ArenaGear Sports Timers are perfect for timing all arena and athletic events as well as for backyard or solo practice. Nepalese Journal of Ophthalmology, 5(2), 161–168 Computer vision syndrome: A study of knowledge and practices in university students. Digital eye strain – do you know the 20/20/20 rule? (n.d.).Computers, digital devices and eye strain. Impact of an educational intervention using the 20/20/20 rule on computer vision syndrome. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Fortunately, most of them require little time or financial commitment. These strategies can reduce eye strain related to using tablets, phones, and computers. Regularly attending checkups will ensure that any changes to a person’s eyesight are addressed quickly. Get regular eye checkups: Uncorrected vision problems are a major cause of strain.The right contrast may change depending on the presence of sunlight. Adjust the screen’s contrast and brightness: Change settings so that the screen is just bright enough to read the text without straining.It is best to place the screen so that a person’s gaze looks slightly downwards. Check the screen’s location: The AAO recommends that a computer screen should be 25 inches (64 cm) from the eyes, about the length of a person’s arm. ![]() Also, flat screens tend to have less glare than curved ones.
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